A voltaic cell is based on the reaction
Sn(s)+I2(s)→Sn2+(aq)+2I−(aq).
Under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 80.0 gof Sn is consumed?

Answers

Answer 1

The maximum electrical work that the cell can accomplish if 80.0 g of Sn is consumed is 87215 Joules (J).

To determine the maximum electrical work that the voltaic cell can accomplish, we need to calculate the maximum cell potential (E°cell) and use it to find the maximum electrical work (Wmax).

First, let's write the half-reactions for the oxidation and reduction processes

Oxidation half-reaction: Sn(s) → Sn₂+(aq) + 2e⁻

Reduction half-reaction: I₂(s) + 2e⁻ → 2I⁻(aq)

Now, we can determine the standard reduction potentials (E°red) for each half-reaction from the ALEKS Data tab

E°red(Sn₂+/Sn) = -0.14 V

E°red(I₂/I-) = 0.54 V

The standard cell potential (E°cell) can be calculated using the formula:

E°cell = E°red(reduction) - E°red(oxidation)

E°cell = 0.54 V - (-0.14 V) = 0.68 V

The maximum electrical work (Wmax) can be calculated using the equation

Wmax = nF E°cell

Where

n = moles of electrons transferred (determined from the balanced equation)

F = Faraday's constant (96485 C/mol)

From the balanced equation, we can see that 2 moles of electrons are transferred per mole of Sn consumed.

Molar mass of Sn = 118.71 g/mol

Number of moles of Sn consumed = 80.0 g / 118.71 g/mol = 0.674 mol

n = 2 moles of electrons/mol of Sn consumed = 2 × 0.674 mol = 1.348 mol

Now we can calculate Wmax

Wmax = (1.348 mol)(96485 C/mol)(0.68 V) = 87215 J

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Related Questions

how might using water somethimes require changing its original state?

Answers

When water changes state in the water cycle, the total number of water particles remains the same. The changes of state include melting, sublimation, evaporation, freezing, condensation, and deposition. All changes of state involve the transfer of energy.

If you have 2 moles of iron chloride (FeCl3) and dissolve it in water to a final volume of 1L of water, what is the molarity and osmolarity of the solution?
A. Molarity of 0.5 mol/L and osmolarity of 2 osmol/L
B. Molarity of 0.5 mol/L and osmolarity of 8 osmol/L
C. Molarity of 2 mol/L and osmolarity of 2 osmol/L
D. Molarity of 2 mol/L and osmolarity of 8 osmol/L

Answers

The molarity of the solution is 2 mol/L, and the osmolarity of the solution is 8 osmol/L (D).

Molarity is defined as the number of moles of solute per liter of solution. In this case, we have 2 moles of iron chloride (FeCl3) dissolved in a final volume of 1 liter of water. Therefore, the molarity of the solution is:

Molarity = moles of solute / volume of solution

Molarity = 2 mol / 1 L

Molarity = 2 mol/L

Osmolarity, on the other hand, takes into account the number of particles in a solution that can contribute to osmotic pressure. Iron chloride dissociates into ions in water, forming Fe3+ and 3 Cl- ions. So, each mole of FeCl3 dissociates into 4 particles (1 Fe3+ ion and 3 Cl- ions).

Since we have 2 moles of FeCl3, the total number of particles in the solution is 2 mol x 4 particles/mol = 8 particles. Osmolarity is calculated by dividing the total number of particles by the volume of the solution:

Osmolarity = total particles / volume of solution

Osmolarity = 8 particles / 1 L

Osmolarity = 8 osmol/L

Therefore, the correct answer is option D: Molarity of 2 mol/L and osmolarity of 8 osmol/L.

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Pressure is inversely proportional to which of the following, assuming all other variables are constant? Select the correct answer below O force area O both force and area O neither force or area

Answers

According to the statement, Pressure is inversely proportional to the area. Therefore, the correct answer is "Area."

According to the Physics, the pressure exerted by an object is defined as the force applied per unit area of the surface on which the force is applied. Mathematically, it can be written as,P = F / A. Where P is the pressure, F is the force and A is the area on which the force is applied.

From this equation, we can understand that the pressure exerted is inversely proportional to the area on which the force is applied. Therefore, if the area on which the force is applied is increased, then the pressure exerted by the object is decreased and vice versa. In addition, there are several factors that affect the pressure exerted by an object, including the magnitude of force applied, the area of contact, and the angle of application of the force. If all other variables are constant, then the pressure is solely dependent on the force and area of contact. Thus, pressure is inversely proportional to the area.

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A student dilutes 50.0 mL of a 0.10 mol/L to 0.010 mol/L. Which statement is true?​

Answers

The total amount of solute decreases.

what simple machine would be best for lifting a couch through a 3rd floor apartment window?

Answers

Answer:

Pully

Explanation:

I would think that a pully would be most effective for lifting it Up and into the apartment (at least if you have a suitable spot to put the pully)

Hydrogen-3 has a half-life of 12.3 years. How many years will it take for 539.3 mg 3^H to decay to 2.1 mg 3^H? time to decay:________________________________________________ years Sodium-24 has a half-life of 14.8 hours. How much of a 563.3 mg sodium-24 sample will remain after 3.7 days? mass remaining:_____________________________________________ mg.

Answers

Approximately 4.41 mg of the sodium-24 sample will remain after 3.7 days.

Part A - Hydrogen-3 decay. The half-life of Hydrogen-3 is 12.3 years, and we have to find the time that would take for 539.3 mg 3^H to decay to 2.1 mg 3^H. Let's use the formula given below and find out how many years it will take. Amount = Initial amount * (1/2)^(Time/half life). Initial amount = 539.3 mg. The amount left = 2.1 mg. Time = ?Half-life = 12.3 years. Amount left/Initial amount = (1/2)^(Time/half-life)2.1/539.3 = (1/2)^(Time/12.3)log(2.1/539.3) = log(1/2)^(Time/12.3)(Time/12.3) = log(539.3/2.1) / log2. Time = 12.3 * log(539.3/2.1) / log2Time = 12.3 * 11.3949 / 0.30103. Time = 466.95 years. Therefore, it would take approximately 466.95 years for 539.3 mg 3^H to decay to 2.1 mg 3^H.

Part B - Sodium-24 decay. The half-life of Sodium-24 is 14.8 hours. Let's find out how much of a 563.3 mg sodium-24 sample will remain after 3.7 days. Initial amount = 563.3 mg. Half-life = 14.8 hours. We need to find the amount left after 3.7 days (88.8 hours). Amount = Initial amount * (1/2)^(Time/half-life). Amount = 563.3 * (1/2)^(88.8/14.8)Amount = 563.3 * (1/2)^6Amount = 4.41 mg. Therefore, approximately 4.41 mg of the sodium-24 sample will remain after 3.7 days.

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Consider the following balanced equation:
2KCIO3(s) → 2KCl(s) + 302(g)
How many moles of O2 will be obtained by decomposing
3.50 moles of KCIO3?
0.530 mole
O 3.00 moles
O 2.30 moles
5.25 moles

Answers

Answer:

5.25 moles

General Formulas and Concepts:

Chemistry

Atomic Structure

CompoundsMoles

Aqueous Solutions

States of matter

Stoichiometry

Analyzing reactions RxNUsing Dimensional AnalysisExplanation:

Step 1: Define

[RxN - Balanced] 2KClO₃ (s) → 2KCl (s) + 3O₂ (g)

[Given] 3.50 mol KClO₃

[Solve] mol O₂

Step 2: Identify Conversions

[RxN] 2 mol KClO₃ (s) → 3 mol O₂ (g)

Step 3: Stoichiometry

[DA] Set up conversion:                                                                                  [tex]\displaystyle 3.50 \ mol \ KClO_3(\frac{3 \ mol \ O_2}{2 \ mol \ KClO_3})[/tex][DA} Multiply [Cancel out units]:                                                                      [tex]\displaystyle 5.25 \ mol \ O_2[/tex]

using the equation e=(hcrh)(1n2)=(−2.18×10−18j)(1n2) calculate the energy of an electron in the hydrogen atom when n=2 .

Answers

When n=2, the energy of an electron in the hydrogen atom is calculated using the equation e = (-2.18 × 10^-18 J)(1/n^2). Plugging in the values, the energy is found to be -5.45 × 10^-19 J.

The energy of an electron in the hydrogen atom when n=2 can be calculated using the equation e=(hcR_H)(1/n^2), where e represents energy, h is the Planck constant (6.62607015 × 10^-34 J·s), c is the speed of light (2.998 × 10^8 m/s), R_H is the Rydberg constant for hydrogen (1.0973731568539 × 10^7 m^-1), and n is the principal quantum number. Plugging in the values, we get e = (-2.18 × 10^-18 J)(1/n^2). When n=2, the energy can be calculated as e = (-2.18 × 10^-18 J)(1/2^2) = -5.45 × 10^-19 J.

The explanation of the calculation involves substituting the given values into the equation. First, the Planck constant (h) is multiplied by the speed of light (c) and the Rydberg constant for hydrogen (R_H). Then, we multiply the result by 1 divided by the square of the principal quantum number (n^2). In this case, n is given as 2. Thus, we calculate 1/2^2, which is 1/4. Multiplying this value by the previously calculated expression, we find the energy to be -5.45 × 10^-19 J. The negative sign indicates that the energy is bound, meaning the electron is in a lower energy state within the hydrogen atom.

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evidence concerning crystallized and fluid intelligence shows that

Answers

Evidence concerning crystallized and fluid intelligence shows the diverse nature of intellectual development.

Research on both crystallized and fluid intelligence suggests that there are different stages of intellectual development. Crystallized intelligence reflects the sum of knowledge, abilities, and experience obtained through education and life events. It includes vocabulary, factual knowledge, and problem-solving abilities that rely on previously learned information.

In contrast, the ability to reason logically, solve unexpected issues, and adapt to changing circumstances is referred to as fluid intelligence. It calls on abilities like pattern recognition, spatial imagery, and abstract reasoning. Studies have revealed that individuals can have varying levels of crystallized and fluid intelligence, and these skills can vary across different periods of life due to factors like education, environmental effects, and cognitive aging.

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all of the following are ways that reduce the environmental impact of meat production except _______.

Answers

All of the following are ways that reduce the environmental impact of meat production except Raising beef cattle in feedlots. The correct option is A.

A traditional way of producing meat that often has a greater environmental impact than alternative methods is raising beef cattle in feedlots.

Feedlots pack a lot of animals into a small area, which can cause problems like water pollution from manure runoff, overuse of antibiotics, and significant greenhouse gas emissions.

Thus, the correct option is A.

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Your question seems incomplete, the probable complete question is:

Option B, D, and E, on the other hand, all help to lessen the environmental impact of meat production. Option B, pasture-based beef cattle production, permits more natural grazing and lessens the need for extensive feeding operations.

All of the following are ways that reduce the environmental impact of meat production except A.) Raising beef cattle in feedlots B.) Raising beef cattle in pastures C.) Decreasing the demand for meat D.) Developing meat substitutes E.) Raising beef cattle on rangelands

The energy needed to overcome intermolecular forces is called?

Answers

Answer:

vaporization.

Explanation:

Name the compound and determine the number of moles present. SHOW YOUR WORK.

17.4 g Na

Answers

17.4 grams of Sodium

Na= 1 mole.

Which sodium salt(s) of an amphiprotic ion will produce a basic solution when added to pure water? 1. NaHSO4 (Ka = 1.03 x10^-2; K, = 9.71 x10^-13) 2. NaHCO3 (KA = 4.69 x10^-11, Kg = 2.24 x10^-8) 3. NaHSO3 (Kg = 6.73 x10^-8; Ky = 7.19 x10^-13) a. I and 2
b. l only c. 2 only d. I and 3
e. 3 only

Answers

Amphiprotic ion refers to any species that can act as both a proton acceptor and a proton donor. The amphiprotic salt reacts with water and produces either basic or acidic solutions depending on the salt's amphiprotic ion's strength as an acid or base.

The amphiprotic ion of NaHCO3 is bicarbonate ion (HCO3–), and the amphiprotic ion of NaHSO3 is bisulfite ion (HSO3–). The bicarbonate ion is a weak base that reacts with water to form an alkaline solution, while the bisulfite ion is a weak acid that reacts with water to form an acidic solution.NaHSO4 has the strong conjugate base SO4^2-, which will not donate protons to water and produce a basic solution. Therefore, the only sodium salt(s) of an amphiprotic ion that produces a basic solution when added to pure water are NaHCO3 and Na2CO3. Hence, the correct option is (c) 2 only.

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.Rank these systems in order of decreasing entropy.
Rank from highest to lowest entropy. To rank items as equivalent, overlap them
1 mol of methane gas at 273 K and 40 L 1 mol of helium gas at 273 K and 20 L 1/2 mol of liquid helium at 100K 1 mol of helium gas at 273 K and 40 L 1 mol of hydrogen gas at 273 K and 40 L 1/2 mol of helium gas at 100 K and 20 L 1/2 mol of helium gas at 273 K and 20 L Greatest entropy Least entropy

Answers

Entropy is a measure of the disorder of a system. It is the measure of the number of possible arrangements (or microstates) of the system, multiplied by Boltzmann's constant.

A higher number of arrangements results in greater entropy. The system with the greatest entropy is that which has the greatest number of arrangements.The system with the greatest entropy is 1 mol of methane gas at 273 K and 40 L. At this state, the gas is present in a larger volume and hence has more microstates, making it more disordered than any other state. Therefore, the greatest entropy is obtained from this system. Next in the rank is 1 mol of helium gas at 273 K and 40 L. Hydrogen gas, 1 mol at 273 K and 40 L, follows helium gas at 273 K and 40 L in rank. 1 mol of helium gas at 273 K and 20 L ranks lower in the list than hydrogen gas. The next state with the lowest entropy is 1/2 mol of helium gas at 273 K and 20 L, followed by 1/2 mol of liquid helium at 100K. The state with the lowest entropy is 1/2 mol of helium gas at 100 K and 20 L. Therefore, the systems in order of decreasing entropy are:

1. 1 mol of methane gas at 273 K and 40 L
2. 1 mol of helium gas at 273 K and 40 L
3. 1 mol of hydrogen gas at 273 K and 40 L
4. 1 mol of helium gas at 273 K and 20 L
5. 1/2 mol of helium gas at 273 K and 20 L
6. 1/2 mol of liquid helium at 100 K
7. 1/2 mol of helium gas at 100 K and 20 L

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when we drop a feather and a stone at the same time from a height the stone reach the faster than a feather

Answers

Answer:

See explanation

Explanation:

When an a heavy object and a light object are thrown down from the same height, the two objects are expected to hit the ground at the same time since the two objects are both accelerated to the same extent (approximately 10m/s^2) under gravity.

However, due to air resistance, the heavier object reaches the ground first before the lighter object.

Hence, when we drop a feather and a stone at the same time from a height the stone will hit the ground faster than the feather.

calculate the ph when 9.0 ml of 0.150 m koh is mixed with 20.0 ml of 0.300 m hbro (ka = 2.5 × 10⁻⁹)

Answers

To calculate the pH when 9.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO (Ka = 2.5 × 10⁻⁹), we need to consider the reaction between KOH and HBrO.

The reaction between KOH (potassium hydroxide) and HBrO (hypobromous acid) can be written as follows:

KOH + HBrO → KBrO + H₂O

Initially, we have 9.0 mL of 0.150 M KOH and 20.0 mL of 0.300 M HBrO. To calculate the pH, we need to determine the final concentrations of the species involved in the equilibrium. Let's assume that the reaction goes to completion, meaning all the KOH and HBrO react completely.

First, we need to find the moles of KOH and HBrO.

For KOH:

Moles of KOH = volume (L) × concentration (mol/L)

Moles of KOH = 9.0 mL × (1 L / 1000 mL) × 0.150 mol/L

For HBrO:

Moles of HBrO = volume (L) × concentration (mol/L)

Moles of HBrO = 20.0 mL × (1 L / 1000 mL) × 0.300 mol/L

Next, we need to consider the stoichiometry of the reaction. Since KOH and HBrO react in a 1:1 ratio, the moles of KOH and HBrO will be equal in the balanced equation. Let's assume the moles of KOH and HBrO are both "x".

Now, we can set up an equilibrium expression for the reaction between HBrO and water:

Ka = [KBrO][H₂O] / [HBrO]

Using the given Ka value (2.5 × 10⁻⁹), we can substitute the concentrations:

2.5 × 10⁻⁹ = x² / (0.150 - x)

Since x is much smaller compared to 0.150, we can simplify the expression by assuming that (0.150 - x) ≈ 0.150:

2.5 × 10⁻⁹ ≈ x² / 0.150

Rearranging the equation, we find:

x² ≈ 2.5 × 10⁻⁹ × 0.150

x² ≈ 3.75 × 10⁻¹⁰

Taking the square root of both sides, we get:

x ≈ √(3.75 × 10⁻¹⁰)

x ≈ 6.12 × 10⁻⁶

This value represents the concentration of H₃O⁺ ions. Now, we can calculate the pH using the equation:

pH = -log[H₃O⁺]

Plugging in the value for [H₃O⁺], we find:

pH = -log(6.12 × 10⁻⁶)

pH ≈ 5.21

Therefore, when 9.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO, the pH of the resulting solution is approximately 5.21

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20 POINTS: Why it's important for science fair participants to not only create an informative and attractive presentation, but also to detail their information, ideas, and research in a science report.​

Answers

Answer:

To show what they know!

Explanation:

If you're not showing how you did your experiment thoroughly, then nobody will understand what you did! For instance, if you spent 2 weeks studying really hard about how music affects different kinds of animals, and only put down that music affects animals and no showing your work. Then no one will know how much effort and work you put into it! If you put all the minor details into the presentation, then more than likely everyone will know where your coming from!

Hope this helps! Plz mark as brainliest!

What is the pH and pOH of a 2.2 x 10^-3 HBr solution?

Answers

Answer:

The pH and pOH of a 2.2*10⁻³ HBr solution is 2.66 and 11.34  respectively.

Explanation:

pH - short for hydrogen potential - is a measure of the acidity or alkalinity of a solution. So the pH is a parameter that indicates the concentration of hydrogen ions [H]⁺ that exist in a solution.

The pH is expressed as the negative base 10 logarithm of the hydrogen ion concentration. This is represented by:

pH= - log [H⁺]

pH is measured on a scale of 0 to 14. On this scale, a pH value of 7 is neutral, which means that the substance or solution is neither acidic nor alkaline. A pH value of less than 7 means that it is more acidic, and a pH value of more than 7 means that it is more alkaline.

HBr is a strong acid. Then, in aqueous solution it will be  totally dissociated. So the proton concentration is equal to the initial concentration of  acid:

[H⁺]= [HBr]= 2.2*10⁻³ M

So:

pH= - log (2.2*10⁻³)

pH= 2.66

On the other hand, pOH is a measure of the concentration of hydroxyl ions in a solution. The sum of pH and pOH equals 14:

pH + pOH= 14

2.66 + pOH= 14

pOH= 14 - 2.66

pOH= 11.34

The pH and pOH of a 2.2*10⁻³ HBr solution is 2.66 and 11.34  respectively.

What does the first ionization energy represent?

Answers

I believe it is A. The first option

calculate the solubility of mgco3 in water at 25∘c, given the ksp is 4.0 × 10−5.

Answers

The solubility of MgCO3 in water at 25°C, given the Ksp is 4.0 × 10−5 is 2 × 10^-3 M.

The chemical equation of magnesium carbonate is MgCO3.

The solubility of MgCO3 is x.

The Ksp value of MgCO3 is 4.0 × 10^-5.

We have to calculate the solubility of MgCO3 in water at 25°C.

The solubility product of MgCO3 is given as:

Ksp = [Mg2+][CO32-]Ksp = [Mg2+][CO32-] = (x)(x) = x2Ksp = 4.0 × 10^-5=x^2x = √Ksp = √4.0 × 10^-5=2 × 10^-3 M

Therefore, the solubility of MgCO3 in water at 25°C, given the Ksp is 4.0 × 10−5 is 2 × 10^-3 M.

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Question
What is the name of the covalent compound with the formula P2N3?

Answers

Answer:

P2N5

Explanation:

you have to plus it 2 times

Classify the two amino acids below according to their effective polarity in proteins at pH=7.4. n= Nonpolar up = Uncharged polar cp= Charged polar 1. 2. Classify the two amino acids below according to their effective polarity in proteins at pH=7.4. n= Nonpolar up = Uncharged polar cp= Charged polar 1. 2. Cysteine (Cys or C ) Polarity

Answers

At pH = 7.4, Cysteine (Cys or C) can be classified as up = Uncharged polar. Cysteine is a polar amino acid with a sulfhydryl group.

Cysteine is a non-polar amino acid that is made up of an aliphatic side chain containing a sulfhydryl group (–SH). This polar cysteine side chain's polarity enables the formation of disulfide bridges with other cysteine side chains in other proteins and amino acids. The polar amino acid cysteine can form a disulfide bond with another cysteine in an amino acid chain, which gives a high degree of stability to the protein molecules. This amino acid contributes to the stabilization of protein molecules by forming hydrogen bonds and disulfide bonds. The electronegative sulfur atom is responsible for its polar nature. Cysteine can be classified as an uncharged polar amino acid at pH = 7.4. Nonpolar amino acids are hydrophobic (water-repelling) and do not interact well with water. Conversely, charged amino acids are hydrophilic (water-attracting) and interact well with water.

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Please help me ASAP I’m almost done.

Answers

Answer:

i think the answer is c

Explanation:

sorry if im wrong i am most likely wrong but ye

What is FALSE about nitrogen gas and carbondioxide?

1- Both are compounds

2- Both are gases

3- Elements in both substances are non-metals

4- Both are made up of atoms

Answers

Answer: Both are compounds

Explanation:

[tex]\text{N}_{2}[/tex] is an element, not a compound.

what is the volume of 9.783 x 1023 atoms of he at 9.25 atm and 512k?

Answers

The volume of 9.783 x 10^23 atoms of helium at 9.25 atm and 512 K is approximately 1.97 liters.

To calculate the volume of gas, we can use the ideal gas law equation:

PV = nRT

Where:

P is the pressure (in atmospheres)

V is the volume (in liters)

n is the number of moles

R is the ideal gas constant (0.0821 L·atm/(mol·K))

T is the temperature (in Kelvin)

Given:

Number of atoms of helium (n) = 9.783 x 10^23 atoms

Pressure (P) = 9.25 atm

Temperature (T) = 512 K

First, we need to convert the number of helium atoms to moles. Since 1 mole contains Avogadro's number (6.022 x 10^23) of particles:

Number of moles (n) = Number of atoms / Avogadro's number

Number of moles (n) = 9.783 x 10^23 atoms / 6.022 x 10^23

Number of moles (n) ≈ 1.625 moles

Now, we can rearrange the ideal gas law equation to solve for the volume (V):

V = (nRT) / P

V = (1.625 moles * 0.0821 L·atm/(mol·K) * 512 K) / 9.25 atm

V ≈ 1.97 liters

Therefore, the volume of 9.783 x 10^23 atoms of helium at 9.25 atm and 512 K is approximately 1.97 liters.

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PLSSSSSS ANSWERRRRR???

Answers

Answer:

( j ) should be the correct option because atomic number of fluorine is 9 so, no. of electrons and protons should be same I.e. 9

How many atoms are in 0.650 mole of zinc?
NEED TO KNOW ASAP PLEASE

Answers

There are
4.517

10
23
atoms of Zn in 0.750 mols of Zn.

WHAT IT IZ BRAINLY anyways I got a question for y’all do you think someone can forget who they rlly loved ? Can you ever forget who you really loved ? I’m tryna prove sum

Answers

Answer:

Its a 50% chance of it happeing

Explanation:

why do you think we have chosen reagents that generate bromine in situ instead of using liquid bromine br2 as a reagent?

Answers

The main reason for choosing reagents that generate bromine in situ instead of using liquid bromine Br₂ as a reagent is safety and ease of handling.

Using reagents that generate bromine in situ offers several advantages over using liquid bromine Br₂ directly. First, bromine is a highly reactive and corrosive liquid, posing safety risks during handling. It can cause severe burns and has toxic fumes, requiring careful precautions and specialized equipment. By generating bromine in situ, we can minimize the direct exposure and risks associated with handling liquid bromine.

Reagents that generate bromine in situ are often more stable, easier to store, and have a longer shelf life compared to liquid bromine. They can be prepared and used as needed, eliminating the need for storing and handling potentially hazardous quantities of liquid bromine. Overall, the use of in situ generated bromine reagents provides a safer and more convenient approach for conducting chemical reactions that require bromine.

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Write a balanced equation for the reaction between chromium metal and hydrochloric acid to form chromium(III) chloride
and a reactive gas.

Answers

Answer: Cr(s) + HCl(aq) ⇒ CrCl3 (aq) + H2(g)

Explanation:

Other Questions
what is f(x) = x^2g(x)=(x+3)^2-1 Help. I need help asap On October 1, a corporation had 200,000 shares of $4 par value common stock, and $1,000,000 of retained earnings. The operation decides a 2-for-1 stock split. The general journal entry to record this transaction are: A. Retained earnings (debit) and common stock (credit). B. Retained earnings (debit) and common stock split distribution (credit). C. Retained earnings (debit) and Stock split (credit). and MICS D. No journal entry. Question 1In a wheat futures contract, the producer selling the contract makes a profit if at the expiration of the contract the market price of wheat is:Select one:a.above the price in the futures contractb.equal to the price in the futures contractc.below the price in the futures contractd.whoever sells the contract always winsQuestion 2Within the ESG investment categories, respect and consideration for diversity and equal opportunities in employment, are considered within the ESG investment category:Select one:a.environmentalb.Socialc.governanced.noneQuestion 3We can say that a firm enters into financial difficulties (financial distress) if it does not have enough cash flows to cover its contractual obligations (liabilities).Select one:a.TRUEb.FalseQuestion 4It is considered that a firm can enter financial insolvency due to a reduction in the equity of the company:Select one:a.when the value of your debt is less than your assetsb.when the value of the cash flows is greater than the value of its debtc.when the value of its current assets exceeds the value of its current liabilitiesd.when the value of your assets is less than your debtQuestion 5Within the ESG investment categories, how the company manages and reduces greenhouse gas emissions is considered within the ESG investment category:Select one:a.environmentalb.Socialc.governanced.none An oil drop whose mass is 2.910^15 kg is held at rest between two large plates separated by 1.2 cm (Figure 1) when the potential difference between the plates is 360 V . Part A How many excess electrons does this drop have? Express your answer as an integer. How taxable benefit for an automobile provided by the employeris calculated? Please explain the calculation using an appropriateexample. How many inches is 9 Yards Have 3. Find the area of a semicircle with a diameter of30 inches. 4) What is the subject of the east pediment at theParthenon? What is the area of the irregular figure below?A figure can be broken into a parallelogram and triangle. The parallelogram has a baes of 4 inches and height of 6 inches. The triangle has a base of 4 inches and height of 6 inches.36 Inches squared48 Inches squared144 Inches squared288 Inches squared The functiona f(x) and g(x) are shown on the graph.What is g(x)?f(x)10-5g(x)A-10A. 9(x) = -x2 - 4B. g(x) = -x + 4c. g(x) = (-x) - 4D. g(x) = (-x)2 + 4 External and Internal Conflict in ACROSS THE NIGHTINGALE FLOORFor this response, you will analyze two primary conflicts that drive the plot of your novel. First, choose ONE internal and ONE external conflict. For each conflict, label it as Man v. [?]. Then, explain who is involved, how the conflict begins, the events the conflict leads to, the impact on other characters, and how the conflict contributes to your understanding of the novels message and/or characters. Example:Novel Title: Fahrenheit 451Internal ConflictMontags internal conflict is the struggle with his newfound realizations about his life, that his life and society are not what he thought they were. This Man v. Self conflict drives the entire novel. The conflict begins when Montag meets Clarisse because When he encounters the woman who dies with her books, this reinforces his struggle because This internal conflict leads to and impacts Montags marriage, his friendship with Faber, and because Ultimately, we see Montag pursue ... , which contributes to the authors message of because ... At the end of the novel, Montag is not fully reformed but is ...External and Internal Conflict in ACROSS THE NIGHTINGALE FLOOR This is the Project - International Organizations Post WWII, I got a 100%, don't plagiarize :))For this assignment, you will read three primary and three secondary sources about the development of 20th-century international organizations, such as the European Union, the United Nations, the World Bank, the World Trade Organization, and the World Health Organization. You will use your textbook, online sources, and the six documents provided to answer questions about the causes and effects of these organizations. You will also answer questions to practice the skills of HIPP, which align to DBQ practice. Finally, you will respond to the prompt by writing an introductory paragraph that includes a thesis statement and uses contextualization. in the context of myers-briggs type indicator of personality, the _____ preference represents perception or information gathering. Which of the following is an exothermic reaction?a solid to a liquida gas change to a liquida liquid to a gasa solid to a gas Which of the following statements is false. Group of answer choices When seeking to identify the theme of a poem, the critic should consider the poem's form, voice, tone, langauge, images, allusions, sound--all the elements that comprise the poem. There is only one theme to or for each poem or short story or novel or play. The theme of a work of literature is its central or dominant idea. The theme of a poem is more than the subject of the poem; theme refers to the ideas the poet explores. A car weighing 1,500kg possesses 20 000 units of momentum. What would be the car's new momentum if it's velocity was tripled Given the following acceleration function of an object moving along a line, find the position function with the given initial velocity and position. a(t)=5 sin 4t; v(0) = 1, s(0)=6 s(t)= ________ (Type an expression using t as the variable.) Choose the correct statement about best-fit lines.a.A best-fit line is close to most of the data points.b.A best-fit line describes the exact coordinates of each point in the data set.c.A best-fit line always has a positive slope.d.A best-fit line must go through at least two of the data points.Please select the best answer from the choices providedABCD ohn Baker, a cash basis calendar year taxpayer, paid the following during the year:Social security tax (withheld from wages) $4,500Real estate taxes $3,200State income tax $3,400Special assessment for installation of sidewalks $1,140Penalty on tax underpayment $300Flat fee for automobile registration $90What itemized deduction may John claim for taxes on his return