Answers
System and surroundings:
A system is defined as a matter or region on which analysis is done. The system is separated from the surroundings by the boundary. Everything external to the system is surrounding.
Specific heat function:
The amount of heat that must be added to one unit of mass of the substance in order to cause an increase of one unit in temperature.
Enthalpy changes:
We could say that it is equal to the difference between the energy used to break bonds in a chemical reaction and the energy gained by the formation of new chemical bonds in the reaction.
Standard enthalpy of formation:
It is a measure of the energy released or consumed when one mole of a substance is created under conditions from its pure elements.
Related Questions
What type of energy is stored in the bonds of chemical compounds?
chemical energy
compound energy
element energy
kinetic energy
Answers
Answer: Chemical energy
Explanation:
Answer:
a
Explanation:
4. The equilibrium constant K for the reaction below is 57.0 at 700 K. If 1.00 mole of H₂ is allowed to
react with 1.00 mole of I, in a 10.0 L reaction flask at 700 K, what are the concentrations of all reactants
and products at equilibrium?
H₂(g) + L₂(g)
2 HI(g)
Answers
The concentrations of all reactants and products at equilibrium are listed below.
What exactly is equilibrium?Chemical equilibrium is the condition in which there is no net change in the amount of reactants or products during a reversible chemical reaction. The moment the products are produced in a reversible chemical reaction, they begin to interact with the initial reactants.
Equilibrium is characterized as a state of equilibrium or a stable situation in which conflicting forces balance one another out and no changes are taking place. In terms of economics, equilibrium occurs when supply and demand are equal. When you are composed and steady, you are in an equilibrium state.
H 2(g) +I 2(g) ⇌2HI (g)
K c = [HI] 2/[H 2 ][I 2 ] =54.7
⇒[H 2 ][I 2 ]= [HI 2 ] / K c
∵[HI]=0.5 mol litre^ −1 ;
∴[H 2 ][I 2 ]= 54.8[0.5]^2 =4.56×10 −3
If HI is dissociated, there will be an equal concentration of H2 and I2 at equilibrium. Thus,
[H 2 ]=[I 2 ]
⇒[H 2 ] 2=4.56×10 −3
⇒[H 2 ]=0.068 mol litre ^−1
⇒[I 2 ]=0.068 mol litre ^−1
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Question:
At 700 K, the equilibrium constant for the reaction;
H 2(g) +I 2(g) ⇌2HI
(g) is 54.8.If 0.5 mol litre −1 of HI (g) is present at equilibrium at 700 K, what are the concentrations of H 2(g) and I 2(g) assuming that we initially started with HI (g) and allowed it to reach equilibrium at 700 K.
peter measured the height of a plant five times. He recorded the following results: 15.5 cm, 19.4 cm, 15.6 cm, 15.8 cm, 15.9 cm. which of the measurements is the least precise?
Answers
Peter measured the height of a plant five times then the measurements is the least precise is 15.5 cm
Measurement precision is the numerically using measure of imprecision as that standard deviation then calculated from the result by carrying replicate measurement and here given measurements are 15.5 cm, 19.4 cm, 15.6 cm, 15.8 cm, 15.9 cm and in that measurements the least precise are 15.5 cm
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look at the picture
Answers
An ideal gas (which is is a hypothetical gas that conforms to the laws governing gas behavior) confined to a container with a massless piston at the top. (Figure 2) A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 5.90 to 2.95 L . When the external pressure is increased to 2.50 atm , the gas further compresses from 2.95 to 2.36 L .
In a separate experiment with the same initial conditions, a pressure of 2.50 atm was applied to the ideal gas, decreasing its volume from 5.90 to 2.36 L in one step.
If the final temperature was the same for both processes, what is the difference between q for the two-step process and q for the one-step process in joules?
Express your answer with the appropriate units
Answers
The difference that we can obtain for the calculation of the two step and the one step process is -150 J
What is the first law of thermodynamics?In general, the study of heat is what we generally refer to as thermodynamics. Recall that heat has a number of visible effects on a substance such as the increase in the temperature of the substance as well as a change in the state of the substance.
With this in mind, let us try to obtain the heat for the two step process as well as in the one step process as we can see from the question that we have before us just above in this context.
For the first part of the two step process, the heat is obtained from;
q = p dV
q = 2.00 atm (2.95 L - 5.90) = -5.9 atm L or -598 J
For the second step of the two step process
q = 2.5 (2.36 L - 2.95) = -149 J
Total heat for the two step process = -598 J + (-149 J) = -747 J
The value of the heat from the one step process is obtained as;
q = 2.5(2.36 L - 5.90L)
q = -897 J
Difference between q for the two-step process and q for the one-step process in joules;
-897 J - ( -747 J) = -150 J
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electronic configuration of Lithium
Answers
The electronic configuration of Lithium is 1s²2s¹.
Which encoding is utilized to represent the arrangement of the lithium electrons?The configuration notation allows scientists to clearly describe and record how electrons are positioned around an atom's nucleus. As a result, it is simpler to comprehend and anticipate how atoms will interact to create chemical bonds.
Lithium is the third element with a total of three electrons. We shall describe the lithium electron configuration with the first two electrons in the 1s orbital. Li's third electron is in the 2s orbital since there can only be two electrons in the 1s orbital. Therefore, Li's electron configuration will be 1s22s1.
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"When 6.00 moles of Fe2O3(s) react according to the following reaction, 471.6kJ of heat are absorbed. How many moles of O2 will be formed if 353.7kJ is absorbed?
6Fe2O3 ----------> 4Fe3O4 (s) + O2 (g).
I calculated 0.75 mol with the different heat absorbed, but thinking the difference in the moles of Fe2O3 and O2 should make the answer different. I would like someone else to look at this and see what I am not working out correctly.
Answers
The number of moles of oxygen produced if 353.7 KJ of heat energy is absorbed is 0.75 mole
How to determine the moles of oxygen formedThe balanced equation for the reaction is given below:
6Fe₂O₃ --> 4Fe₃O₄ (s) + O₂ (g) ΔH = 471.6 KJ
Considering the equation,
6 moles of Fe₂O₃ produced 1 mole of O₂
Thus, we can say that:
When 471.6 KJ of heat were absorbed, 1 mole of O₂ was formed.
With the above, information, we can obtain the mole of O₂ formed when 353.7 KJ of heat is absorbed. Details below.
From the balanced equation above,
When 471.6 KJ of heat were absorbed, 1 mole of O₂ was formed
Therefore,
When 353.7 KJ of heat are absorbed = (353.7 KJ × 1 mole) / 471.6 KJ = 0.75 mole of O₂ is formed
Thus, we can conclude that the mole of oxygen formed is 0.75 mole
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The average dosage of oxcarbazepine for an epileptic child between the ages of 4 and 16 is 9.00 mg per 1 kg of body weight (9.00 mg/kg). Calculate how many milliliters of oxcarbazepine a child who weighs 52.6 pounds should be prescribed considering the medication is served as a suspension of 60.0 mg/mL.
Answers
The milliliters of oxcarbazepine a child who weighs 52.6 pounds should be prescribed considering the medication is served as a suspension of 60.0 mg /ml is 3.53 ml.
the average dosage of oxcarbazepine = 9.00 mg/kg
1 pound = 0.454kg
weight of the child = 52.6 pounds = 23.58 kg
now, dosage of oxcarbazepine for 23.58 kg is = 9.00 mg/kg × 23.58 kg
= 212 mg
it is given that prescribed medicine is 60 mg dose is present in 1 ml of solution . so,
212 mg of dose present in :
= (1 ml / 60 mg) × 212 mg
= 3.53 ml
Thus, The milliliters of oxcarbazepine a child who weighs 52.6 pounds should be prescribed considering the medication is served as a suspension of 60.0 mg /ml is 3.53 ml.
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What is the pH of the solution obtained when 135 mL of 0.616 M NaOH is diluted to 16.0 L with water?
Express your answer using two decimal places.
Answers
The pH of a solution obtained when 135mL of 0.616 M NaOH is diluted to 16.0 L with water is 2.28.
How to calculate pH?The pH of a solution is the degree of acidity or alkalinity of a solution.
The pH of a solution can be calculated by using the following equation;
pH = - log {H+}
However, the molarity or concentration of the NaOH solution must first be calculated as follows:
C₁V₁ = C₂V₂
Where;
C₁ = initial concentrationV₁ = initial volumeC₂ = final concentrationV₂ = final volume135 × 0.616 = C × 16000
83.16 = 16000C
C = 0.0052M
pH of NaOH = - log {0.0052}
pH = 2.28
Therefore, the pH of the NaOH solution is 2.28.
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what is the weight in remaining oranges
Answers
HN5O3+Mg reaccion de sustitucion sencilla
Responder por favor lo necesito rapido
Answers
The balanced equation of the reaction could be written as; [tex]HN_{5} O_{3} + Mg ------ > MgO + HNO_{3}[/tex]
What is a reaction?We know that in chemistry, the term reaction has to do with the combination of two or more species to give a product. Now the process of the reaction would alter the chemical composition of the reactants as we move on the way to get the ne substances called the products. There would be a breaking down of the bonds that holds the reactant molecules together and then there is a recombination of the atoms in a different way so as to obtain the products of the reaction. This is how a chemical reaction takes place in a given system.
In this case we have the oxidation of the compound called [tex]HN_{5} O_{3}[/tex]. In this case, the compound is actually being oxidized as we can see from the process that would be shown in the reaction equation accurately.
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On a phase diagram what does the triple point represent?
Answers
The conditions of the pressure and the temperature where all the phases coexists.
Explanations:A phase diagram is a diagram that shows the point where all the phases of matter coexists at equilibrium. This phase digram consists of the melting-freezing line, sublimation-deposition line and the
The point where all these lines coexists in equilibrium or intersects is known as the triple point.
he triple point is as marked in the diagram below;
What can you say about the concentration of H+ ions and OH- ions in a solution that has a pH of 5?
A. A solution that has a pH of 5 has more hydrogen ions than hydroxide ions.
B. If you were to add an acid (hydrogen ion) to water, then the equilibrium shifts to the
left, and the hydroxide ion concentration decreases. Since the pH of 5 is very acidic
then the hydroxide ion basically just balances everything out.
C. It can be inferred that when dealing with a pH of 5, you are dealing with acid.
(I'm not sure if I should pick A or C. Help is needed asap and I appreciate it)
Answers
The concentration of hydrogen ions [H⁺] ions is 10⁻⁵ and hydroxide ions [OH⁻] ions is 10⁻⁹ in a solution of pH of 5. A) a solution that has a pH of 5 has more hydrogen ions than hydroxide ions.
C)when dealing with pH of 5, you are dealing with acid.
pH = - log [H⁺]
pH is given = 5
therefore,
5 = - log [H⁺]
[H⁺] = 10⁻⁵
now, [H⁺] [OH⁻] = 10⁻¹⁴
10⁻⁵ [OH⁻] = 10⁻¹⁴
[OH⁻] = 10⁻⁹
A solution that has pH below 7 is acidic solution with higher hydrogen ion concentration.
Thus, The concentration of hydrogen ions [H⁺] ions is 10⁻⁵ and hydroxide ions [OH⁻] ions is 10⁻⁹ in a solution of pH of 5. A) a solution that has a pH of 5 has more hydrogen ions than hydroxide ions.
C)when dealing with pH of 5, you are dealing with acid.
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Is it possible to predict whether a precipitate will likely be white or a color other than white based on the position of the cation's element in the periodic table? Refer to a periodic table and the compiled data of the different teams with regard to the precipitate color of the cations that reacted to support your conclusion.
Answers
Is it possible to predict whether a precipitate will likely be white or a color other than white based on the position of the cation's element in the periodic table then the precipitate is determined by qualitative analysis
Precipitation is the formation of a solid in a solution or inside another solid during a chemical reaction or by diffusion in a solid
Here the composition of relatively complex mixture of metal ion can be determined by using qualitative analysis then in group 1 there are insoluble chlorides in that most metal chloride salt are soluble in water and if no precipitate is form then this cation are not present in significant amount and when white precipitate is formed by the solution of AgNO₃ is added to an acidified unknown solution then white precipitate indicate that presence of Cl⁻ ions whereas all chromates are usually yellow orange or red precipitate
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The engine of a Ferrari F355 F1 sports car takes in air at 20.0 ∘C and 1.00 atm and compresses it adiabatically to 0.0900 times the original volume. The air may be treated as an ideal gas with γ=1.40
1) find the final temperature
2) find the final pressure
Answers
1. The final temperature is 768 Kelvin.
2. the final pressure is 29.1 atm
What is temperature?Temperature is described as a physical quantity that expresses the hotness of matter or radiation.
We will use the equations of the adiabatic process:
Pressure is described as the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
P11 ^ = P22
P2 = P1 (12)^
1.00 atm = (1/ 0.09)^ 7/5
P2 = 29.1 atm.
2 = 1 (1/2)−1
T2 = = 293 K ( 1 / 0.09)^ (7/5)^−1
T2 = 768 kelvin
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A 1.40 L buffer solution consists of 0.310 M propanoic acid and 0.111 M sodium propanoate. Calculate the pH of the solution following the addition of 0.073 mol HCl . Assume that any contribution of the HCl to the volume of the solution is negligible. The a of propanoic acid is 1.34×10−5 .
Answers
The pH of the buffer after adding HCl is 4.08.
What is pH of a solution?The pH of a solution is the negative logarithm of the hydrogen ion concentration of the solution.
pH = -log [H⁺]The pH of a buffer solution is calculated using the Henderson-Hasselbalch equation shown below:
pH = pKa + log (base/acid)
pKa of the acid is calculated as follows:
pKa = - log Ka
Ka of propanoic acid = 1.34 × 10⁻⁵
pKa = - log 1.34 × 10⁻⁵
pKa = 4.87
Initial moles of acid = 0.310 × 1.40 = 0.434
Initial moles of base = 0.111 × 1.40 = 0.155
0.073 mole of HCl is added to the buffer
moles of base after reacting with HCl = 0.155 - 0.073 = 0.082
moles of acid after addition of HCl = 0.434 + 0.073 = 0.507
The pH of the buffer after adding HCl will be:
pH = 4.87 + log(0.082/0.507)
pH = 4.87 - 0.79
pH = 4.08
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How many grams of solute are present in 445 mL of 0.660 M KBr?
Answers
Answer: 34.951 g of KBr is the amount in 445mL of .660M KBr.
Explanation: The solute is what is dissolved in the solvent. In this case the solute is KBr. The Molecular weight of KBr is 119.002g
Molarity = n/V, so .660 M = x moles/1L, so it's .660 moles/L.
.660 mol KBr x 119.002 g KBr/1 mole KBr = 78.541 grams of KBr in one mole of KBr.
78.541 g KBr/1 mol KBr = X g of KBr/0.445 L KBr cross multiply and divide to get grams of KBr in 445mL (which is the same as 0.445 L
Therefore, 34.951 g of KBr is the amount in 445mL of .660M KBr.
6)
Which of the following will be least soluble in water?
A) Potassium sulfate, K₂SO4
B) Ammonium nitrate, NH4NO3
C) Chloromethane, CH3CI
D) Calcium chloride, CaCl2
E) Ethanol, C₂H6O
Answers
Answer: D
Explanation: calcium chloride doesn't have any hydrogen bonds, it's most soluble in alcohol.
Recycling of Carbon Quick Check
Answers
Pyrolysis is the most popular recycling method for recovering carbon fiber from composite trash because it essentially burns off the resin at high temperatures.
It has long been asserted that solvolysis, which dissolves the resin using a solvent, offers superior qualities.
What are the carbon cycle's seven steps?The Cycle of Carbon
Plants absorb carbon from the atmosphere.
Animals and plants both absorb carbon.
Animals and vegetation release carbon into the soil.
Living beings release carbon into the atmosphere.
When fuels are burned, carbon is released from fossil fuels into the atmosphere.
Oceans receive carbon from the atmosphere.
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Scientists are monitoring a volcano. The table summarizes their data for one week.
Instrument
What Was
Monitored
Tiltmeter change in slope
Seismograph seismic waves
Satellite
emitted gases
Observation
no change
seismic activity is at background level
images show no emissions of gas or ash
Based on the data table, which inference best describes the volcano?
A. An eruption in the near future is unlikely.
B. An eruption in the near future is confirmed.
C. An eruption in the near future is impossible.
D. An eruption in the near future is somewhat likely.
Answers
According to the given statement the volcano an eruption in the near future is confirmed.
The correct option is B.
What are volcanic eruptions?An eruption occurs whenever lava and gas are expelled from a volcano, frequently in an explosive manner. The most hazardous sort of eruption is known as a "glowing landslide," which happens when freshly erupted lava rolls down a volcano's flanks. They can move faster and efficiently heats of 1,200 degrees F.
What causes on eruptions?Due to the extreme heat found deep within the Earth, certain rocks gradually melt and condense into lava. Magna chambers are places where magma rises and collects because it is lighter than that of the solid rock around it. Eventually, some of the lava rushes through cracks and vents to the Earth's crust.
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10. The exhaust from a car contains
used. Scientists often refer to this energy that cannot be used as waste energy.
Answers
Answer:
Thermal energy
Explanation:
The exhaust from a car that cannot be used is called thermal energy since it's impossible to reuse its energy.
The exhaust from a car contains thermal energy used. Scientists often refer to thermal energy that cannot be used as waste energy.
What is thermal energy?
Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.
Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.
These vibrating molecules and atoms collide and as a result of which heat is generated in a substance , more the collision of particles , higher is the thermal energy.
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orbital diagrams Mo6+
Answers
The orbital diagram of Mo+6 show the number of paired and unpaired electrons of the ion.
What is an orbital diagram?An orbital diagram is defined as the type of diagram that shows the paired and unpaired electrons of an element or an ion.
The given element is known as molybdenum (Mo) with the atomic number of 42.
The ionic molybdenum (Mo+6) contains only 36 electrons as 6 electrons has been donated out.The ion given = Mo+6
The orbital diagram is as follows:
1s²= ¶¶
2s²= ¶¶
2p⁶=¶¶ ¶¶ ¶¶
3s²= ¶¶
3p⁶= ¶¶ ¶¶ ¶¶
3d¹⁰= ¶¶ ¶¶ ¶¶ ¶¶ ¶¶
4s²= ¶¶
4p⁶= ¶¶ ¶¶ ¶¶
The symbol ¶ is used to show the number of electrons in each ground state of the given ion.
In order words, the summary of electronic configuration of Mo+6 =
1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶
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A reaction vessel initially contains 3.00 atm of A and 1.00 atm of B. A reaction occurs according to the equation:
2A(g) + B(g) ⇄ 2 C(g)
When equilibrium is reached, the total pressure is found to be 3.10 atm. What is the equilibrium constant Kp?
Enter your response rounded to three significant figures using decimal notation.
Answers
The equilibrium constant Kp of the reaction is 0.334 .
What is the equilibrium constant Kp?The equilibrium constant Kp is calculated as follows;
Equation of reaction: 2A(g) + B(g) ⇄ 2 C(g)
Using an ICE table
A B C
I 3.00 atm 1.00 atm 0.00 atm
C - 2x atm - x atm + 2x atm
E (3.00 - 2x) atm (1.00 - x )atm 2x atm
Total pressure = 3.10 atm
Initial pressure of A = 3.00 atm
Initil pressure of B = 1.00 atm
(3.00 - 2x) atm + (1.00 - x ) + (0.00 + 2x) atm = 3.10 atm
4.00 - 2x atm = 3.10 atm
-2x atm = -0.90 atm
x = 0.45 atm
2x = 0.90 atm
C = 0.90 atm
B = 1.00 - 0.45 = 0.55 atm
A = 3.00 - 0.90 = 2.10 atm
Kp = [C]² / [A]² * [B]
Kp = 0.90² / 2.10² * 0.55
Kp = 0.334
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How many grams of MgCl2 would be needed to make 2.3 liters of a 0.33 molar solution? Round your answer to the nearest 0.01, and remember to include both units (properly abbreviated) and substance.
Answers
Using the following equation:
[tex]M=\frac{n}{L}[/tex]Where M represents the concentration (Molarity), n represents the number of moles of solute and L represents the liters of solution.
If we replace the values of the problem:
[tex]0.33M=\frac{n}{2.3L}\to n=0.33M\cdot2.3L\to n=0.759molesMgCl_2[/tex]To find the number of grams, what we do is to multiply by the molar mass of MgCl2, which is 95.211g:
[tex]0.759molesMgCl_2\cdot\frac{^{}95.211gMgCl_2}{1molesMgCl_2}=72.26gMgCl_2[/tex]Therefore, 72.26gMgCl2 are needed.
Based on the image above of Silver from the periodic table, which isotope would be the most abundant?
109
or
107
Answers
Based on the image above of Silver from the periodic table, the isotope that would be the most abundant is Ag-107.
What are isotopes?Isotopes are atoms of the same element that differ from each other by their mass.
The difference in the mass of isotopes of elements is due to the difference in the number of neutrons in the nucleus.
The relative atomic mass of an element is the sum of the isotopic mass and relative abundances of the isotopes.
The relative atomic mass of an element is closer to the value of the isotope with the greatest relative abundance.
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You mix a solution with 17.1 grams NaCl, 29.8 grams NaHCO3, and 105 grams of water. What is the mass percent of NaCl in this solution?
Answers
Answer:
45.2662%
Explanation:
The sum of the chemicals (sodium chloride) and (Baking powder) and (water) is 151.9, The Salt(sodium chloride) is 29.8 grams and as a percent is 0.298%. 151.9x0.298=45.2662%, happy to help any other time!
Write the balanced net ionic equation for the reaction when aqueous (NH4)3PO4 and the a queso us Zn(NO3)2 are mixed in solution to form solid Zn3(PO4) and aqueous NH4NO3. Be sure to include the proper phases for all species within the reaction
Answers
The net ionic equation for the reaction between aqueous (NH₄)₃PO₄ and aqueous Zn(NO₃)₂ to form solid Zn₃(PO₄)₂ and aqueous NH₄NO₃ is:
PO₄³⁻ (aq) + Zn²⁺ (aq) ----> Zn₃(PO₄)₂ (s)What are net ionic equations?Net ionic equations are equations that show only the reactant ions that are involved in the formation of a non-ionic product.
In a net ionic equation, the spectator ions or the ions which appear on both sides of the reaction are eliminated.
Considering the given reaction between aqueous (NH₄)₃PO₄ and aqueous Zn(NO₃)₂ to form solid Zn₃(PO₄)₂ and aqueous NH₄NO₃:
The molecular equation is given below:
(NH₄)₃PO₄ (aq) + Zn(NO₃)₂ (aq) ----> Zn₃(PO₄)₂ (s) + NH₄NO₃ (aq)
The net ionic equation is:
PO₄³⁻ (aq) + Zn²⁺ (aq) ----> Zn₃(PO₄)₂ (s)
The product Zn₃(PO₄)₂ is insoluble and is obtained as a precipitate.
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a society decides that it needs to produce more corn to feed the growing population what must it do before it begins the production process
Answers
The transformation of inputs into outputs is referred to as the production process.
What is meant by the production process?
A production process is a way to use economic resources, such as labor, expensive machinery, or land, to create goods and services for customers.
The transformation of inputs into outputs is referred to as the production process. The primary categories include mass, batch, job, just-in-time, and flexible manufacturing systems.
A production process is a method of delivering goods and services to clients while utilizing resources or economic inputs like labor, expensive machinery, or land.
Therefore, the correct answer is option A. analyze existing resources, such as water availability
The complete question is:
Society decides that it needs to produce more corn to feed the growing population. What must it do before it begins the production process?
A. analyze existing resources, such as water availability
B. determine how people will receive the surplus crops
C. study the profitability of increasing corn production
D. understand who is in a position of authority to produce more
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A scientist conducted an experiment to determine how the amount of salt in a body of
water affects the number of plants that can live in the water. What is the independent
(testing) variable?
the amount of water
the time it took for the plants to grow
the number of plants
O the amount of salt
No new data to save. Last checked at 3:29pm
pts
Submit Quiz
Answers
The number of plants in the water is the independent (testing) variable.
What may be altered during an experiment?Anything that may vary or be altered is considered a variable. In other words, it is any factor in an experiment that may be modified, controlled for, or assessed.
Scientists cannot ascribe changes or discrepancies in outcomes to a single source when more than one variable is altered in an experiment. The outcomes may be directly ascribed to the independent variable by looking at and modifying one variable at a time.
What variables are changeable or manipulable?In an experiment, the independent variable is a manipulated variable. It's termed "manipulated" because it can be changed. In other words, you may choose whether to raise or reduce it ahead of time.
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Why is this on hear if people give you the wrong answers?!?
Answers
Answer:
I don't know but I do know that you need grammarly.
Explanation:
This sentence is grammatically correct, but its wordy, and hard to read.