Predict the products of the reaction below. That is, complete the right hand side of the chemical equation. Be sure your equation is balanced.

The inorganic chemical having the formula [tex]FeCl_3[/tex] is "Iron(III) chloride"

It is a common compound of iron in the +3 oxidation state and is also known as ferric chloride. The crystalline solid anhydrous chemical has a melting point of 307.6 °C. The color changes depending on the viewing angle; crystals that reflect light seem dark green, while those that transmit light appear purple-red.

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Polarity is the chemical property based on the electric charge and orientation of the poles. Al−O>H−Br>As−S is arranged in decreasing order of polarity. Thus, option d is correct.

Polarity is a chemical property of the distribution of the electrical charges over their respective atom in the molecule joined by the bonds. The relation between the polarity and the difference in electronegativity is directly proportional.

The electronegativity difference between the elements are:

As the electronegativity difference between Al−O = 1.8 is the highest it will have the highest polarity followed by H−Br = 0.8, and As−S = 0.4, with the lowest polarity.

Therefore, option D. Al−O>H−Br>As−S is arranged in decreasing order of polarity.

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Answer:

The energy that was used to evaporat the water is stored as sensible heat in the evaporated water

When water vapor condenses during the formation of clouds, energy releases into the atmosphere through latent heating.

Neutral ----> No Change

Basic ----> Colour will change to

blue

Acidic ----> No change

Neutral ----> No change

hope this will the right answer &

Please attach a photo of the table next time.

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An increase in pressure does not affect the reaction because the moles of reactants and products or the pressure of the forward reaction are equal at equilibrium.

A chemical reaction is in equilibrium if the rate of the backward reaction and the forward reaction are equal.

Pressure affects the equilibrium position of chemical reactions involving gases.

For the given reactions in equilibrium, moles of reactants and products and hence, the pressure of the forward reaction are equal at equilibrium, therefore, an increase in pressure does not affect it.

Therefore, an increase in pressure will only affect the equilibrium of a reaction in which the pressure varies in the forward and backward reaction.

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Your answer is 4 protons 4 electrons and 5 neutrons

The empirical and molecular formulas will be  [tex]C_5H_5O_2[/tex] and  [tex]C_1_0H_1_0O_4[/tex] respectively.

The compound contains C, H, and O.

C = 61.15/12 = 5.0958

H = 5.3/1 = 5.3

O = 31.55/16 = 1.9719

Divide by the smallest

C = 2.6

H = 2.7

O = 1

Thus, the empirical formula is [tex]C_5H_5O_2[/tex]

Empirical formula mass = (12x5) + (1x5) + 16x2 = 97

n = 152.15/97 = 2

The molecular formula is [tex]C_1_0H_1_0O_4[/tex]

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The reaction which shows the beta particle being emitted is:

¹⁶⁸₆₈Er ⇒ ¹⁶⁸₆₇Ho  + β⁰₋₁

This involves the emission of a beta particle as a result of the ratio of neutrons to protons in the nucleus being too high.

The element which is produced as a result of the beta particle emission is referred to as Holmium.

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anion

the reaction is called single displacement whereby an element is substituted by another in a compound

A cation replacement is when a metal replaces a metal in a single replacement chemical reaction.

Chemical reactions are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical reaction.

There are several characteristics of chemical reactions like change in color, change in state , change in odor and change in composition . During chemical reaction there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

There are three types of chemical reactions:

1) inorganic reactions

2)organic reactions

3) biochemical reactions

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The structure of alkene is given below in the image.

Alkenes are described as both branched or unbranched hydrocarbons that possess at least one carbon-carbon double bond (CC) and feature a popular system of CnH2n [1].

Alkanes are organic compounds that encompass single-bonded carbon and hydrogen atoms. The formulation for Alkanes is CnH2n+2, subdivided into 3 companies – chain alkanes, cycloalkanes, and branched alkanes.

The geometry around each carbon atom is based totally on a trigonal planar shape, due to the fact, that each carbon has three electrons around it. This must make the angle of each bond one hundred twenty.

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The ammonium iodide solution is converted into a buffer by the addition of ammonia (NH₃).

The given solution contains 0.21 M ammonium iodide (NH₄I). This is a salt of a weak base(NH₃) and a strong acid(HI).

NH₄I(s) → NH₃(g) + HI(g)

Where the salt is ionic. So, in aqueous solution it dissociates into NH₄⁺ and I⁻

The ammonium ion NH₄⁺ is the conjugate acid of the weak base NH₃.

So, the mixture of this weak base NH₃ and its conjugate acid NH₄⁺ converts the solution into a buffer.

Therefore, one liter of the given solution could be converted into a buffer by the addition of a weak base NH₃.

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Answer:

Balanced Equation for reaction between Magnesium and Oxygen:

2Mg + O₂ --> 2MgO

Molar Mass of MgO is the atomic masses listed on the periodic table for the two elements Magnesium and Oxygen. Magnesium's molar mass is 24g/mol, and Oxygen's molar mass is 16g/mol. So MgO's molar mass would be 24 + 16 = 40g/mol.

The equation to find moles is:

[tex]moles \ = \ \frac{mass}{molar \ mass}[/tex]

So if we rearrange this equation to find for mass:

[tex]mass = moles \ * \ molar \ mass[/tex]

So you have to multiply 0.300 moles by 40, which gives you 12g

Meaning the mass of Magnesium Oxide is 12g.  

The law of conservation of mass say that, in a chemical reaction, the mass of the reagents will always be equal to the mass of the products. This is shown in the reaction given below.

Answer:

The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

Explanation:

During a chemical reaction, atoms are neither created nor destroyed. The atoms of the reactants are just rearranged to form products. Hence, there is no change in m

The balanced equation is [tex]\text{CH}_{4}+2\text{O}_{2} \longrightarrow \text{CO}_{2}+2\text{H}_{2}\text{O}[/tex].

The correct balanced chemical equation is CH₄ +  2 O₂[tex]\rightarrow[/tex] CO₂ + 2 H₂O.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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The particles in solids are not free to move because of strong attractive forces while gases are in constant random motion.

Solids are composed of particles which are arranged in a definite pattern.

The forces of attraction between the particles are strong and the particles are not free to move.

Solids have definite volume and shapes.

Gases are composed of particles which are in constant random motion and whose forces of attraction between the particles are weak.

Therefore, the particles in solids are not free to move because of strong attractive forces while gases are in constant random motion.

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What is the normality of H₂SO₄?

The normality of H₂SO₄ that was neutralized with 25 cc of NaOH is 1.1 N.

Molarity of 5% NaOH:

The molar mass of NaOH = 40.00

(Through density tables).

value of 5% NaOH solution density = 1.0554 g/mL.

∴ 10 × 5 × 1.0554/40.00 = 1.32 M.

Thus, Molarity of 5% NaOH = 1.32 M.

30 cc of H₂SO₄ the solution was neutralized with 25 cc of NaOH.

Reaction:

2 NaOH + H₂SO₄  → [tex]Na_{2}SO_{4}[/tex] + 2[tex]H_{2}O[/tex]

Molarity of H₂SO₄ = 1.32 × 1 × 25/(30×2) = 0.55 M.

Normality = Molarity × moles of H⁺ ions per mole of H₂SO₄

moles of H⁺ ions per mole of H₂SO₄ = 2

Normality of H₂SO₄ = 0.5 × 2 = 1.1 N.

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The mass of nickel is 36.5g metal.

Ni+2AgNO3 → Ni(NO3)2+2Ag

21.5g Ni / 58.69g = 0.366mol Ni

Ag = 107.87

N i= 58.69

But, 2molAg per 1 mol Ni, so, change in mass is more like...

Twice as many moles Ag as Ni, and then the mass relationship is 107.87g Ag / 58.69, but due to the 2Ag: 1Ni mol ratio, the change in mass is like:

107.87(2) / 58.69 = 3.68 times increase

So, the final mass of Ag is 3.68x, and the change in mass of Ni is x

36.5=(21.5-x)+(3.68x)

Solve for x

x=5.597

3.68x=g Ag

3.68(5.597)=20.59

21.5 - x = g Ni after reaction

21.5 - 5.597 = 15.903g Ni

20.59g Ag + 15.903g Ni = 36.5g metal

The mass of nickel is 36.5g metal.

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Answer: The concentration of the diluted solution is 1.566M.

Explanation:

The dilution equation is presented as this: [tex]M_{s} V_{s} =M_{d} V_{d}[/tex].

·M= molarity (labeled as M)

·V= volume (labeled as L)

·s= stock solution (what you started with)

·d= diluted solution (what you have after)

Now that we know what each part of the formula symbolizes, we can plug in our data.

[tex]11.6M*13.5mL=M_{d} *100mL[/tex]

We cannot leave it like this because the volumes must be in Liters, not milliliters. To convert this, we divide the milliliters by 1000.

[tex]13.5mL/1000=0.0135L[/tex]     [tex]100mL/1000=0.1L[/tex]

Now that we have the conversions, let's plug them into the equation.

[tex]11.6M*0.0135L=M_{d} *0.1L[/tex]

The only thing that we need to do now is actually solving the answer.

[tex]M_{d} =\frac{11.6M*0.0135L}{0.1L}[/tex]       [tex]M_{d} =1.566M[/tex]

From the work shown above, the answer is 1.566M.

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The quantity of sulfuric acid may not be used because sulfuric acid is excessive and aluminum is limiting.

Limiting reactants in reactions are reactants that are present in lower stoichiometric quantities in comparison with other reactants.

Thus, limited reactants determine how far the reaction can go in terms of producing products.

Thus, the percent yield of alum might have been calculated based on the starting quantity of aluminum because the latter is the limiting reactant of the reaction.

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The average kinetic energy of an oxygen molecule is K.E(avg) = 6.11×10^(-21) J.

According to the kinetic theory of gases, the average kinetic energy of a gas molecule is linearly proportional to the temperature of the gas. It is independent of the pressure of the gas.

The kinetic theory of gases is an easy, historically great classical version of the thermodynamic conduct of gases, with which many essential standards of thermodynamics had been established.

The model, referred to as the kinetic concept of gases, assumes that the molecules are very small relative to the gap among molecules. The molecules are in constant, random motion and frequently collide with every different and with the walls of any field.

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The number of atoms of oxygen in the sample of P2O5 is 9.33 * 10²³ atoms.

A mole of the compound P2O5 contains 5 moles of atom of oxygen and 2 moles of P.

Moles of oxygen in the sample = 0.620 * 5/2 = 1.55 moles of oxygen atoms.

The number of oxygen atoms in 1 mole of oxygen atoms is given by the Avogadro number = 6.02 * 10²³

Number of atoms of oxygen in 1.55 moles -= 1.55 * 6.02 * 10²³ = 9.33 * 10²³ atoms.

Therefore, the Avogadro number is important in determining number of atoms in a compound.

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Answer:

See below

Explanation:Plot the known concentrations and adsorbance data.  Draw a best fit line through thwe points.  When the absorbance of a solution of unknown concentration (but same substance) is determined, find the concentration from the line at that absorption value.  See attached graph.

E.g., an sample of the same substance had an absorbance of 0.35.  Find that on the x scale and then determine the concentration that would be required to produce that level of absorbance.  0.483M in this case.

Answer:

See attachment for explanations.

Explanation:

Precautions to observe when hosing rubber:

Before attaching the rubber hosing to the side-arm Erlenmeyer flask it should be "higher than one centimeter" to a universal stand to prevent tipping.

Erlenmeyer flask:

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The amount of silver chromate that precipitates after addition of solutions is 12.44 g.

Number of moles:

The number of moles is the product of molarity of the solution and its volume. The formula is expressed as:

Moles = Molarity x Volume

Calculations:

Step 1:

The molecular formula of silver nitrate is AgNO3. The number of moles of silver nitrate is calculated as:

Moles of AgNO3 = 0.500 M x (150/1000) L

= 0.075 mol

Step 2:

The molecular formula potassium chromate is K2CrO4. The number of moles of potassium chromate is calculated as:

Moles of K2CrO4 = 0.400 M x (100/1000) L

= 0.04 mol

Step 3:

The balanced chemical reaction between AgNO3 and K2CrO4 is:

2AgNO3 + K2CrO4 -----> Ag2CrO4 + 2KNO3

The required number of moles of K2CrO4 = 0.075 mol/2 = 0.0375 mol

The given number of moles of K2CrO4 (0.04 mol) is more than the required number of moles (0.0375 mol). Therefore, AgNO3 is the limiting reagent.

Step 4:

According to the reaction, the molar ratio between AgNO3 and Ag2CrO4 is 2:1. Hence, the number of moles of Ag2CrO4 formed is 0.0375 mol.

The molar mass of Ag2CrO4 is 331.74 g/mol.

The mass of Ag2CrO4 is calculated as:

Mass = 0.0375 mol x 331.74 g/mol

= 12.44 g

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The question is incomplete. Please read below to find the missing content.

By way of searching the coefficients, you may see that for each 1 mole of C6H12O6, 2 moles of CO2 are produced. Using this ratio, you can figure out what number of moles of carbon dioxide are crafted from five moles of glucose.

Stoichiometry permits us to make predictions about the outcomes of chemical reactions. Making beneficial predictions is one of the important dreams of science, the other being the ability to provide an explanation for phenomena we have a look at inside the natural world.

Stoichiometry can be tough as it builds upon a number of character capabilities. To be successful you need to grasp the abilities and learn how to devise your hassle-solving method. Master every one of those skills earlier than moving on, Calculating Molar Mass.

If a calculation calls for you to convert from an amount of one substance in a given chemical reaction to the corresponding amount of another substance participating in the same reaction, it is an equation Stoichiometry problem.

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The half life is 0.47906yr

The uncertainty principle governs radioactive decay, making it impossible to predict with precision when a given nucleus will split apart and release a particle.

However, we can estimate the likelihood that a nucleus will dissolve in a specific amount of time.

We can foretell what portion of a huge number of nuclei will dissolve during that time.

Regardless of the isotope's quantity, this fraction will fluctuate based on each isotope's stability.

Alternatively, we can consider the issue in terms of how long it will take a specific fraction of an isotope to dissociate.

We have r0 = 6608 min–1 g–1, while r = 2932  min–1 g–1, and t = 7.29 days. Substituting into

we then have

ln r/r0 = −0.693*t / t1/2

ln (2932/6603) = -0.693 * 7.29 / t1/2

ln (0.44404) = -0.693*7.29/t1/2

t1/2 = (-0.693/-0.8118) * 7.29days

t1/2= 0.8536*7.29days

1yr = 28.1yrs

0.0199yr (7.29days)  = 0.56123yr

t1/2 = 0.8536*0.56123

Half Life = 0.47906yr.

Hence the half life is 0.47906yr

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