Homework Answers
A. Option C, 2&4
Since at equilibrium , ther is no change in the concentration of products/reactants, they are remains same.
And both reactants and products have different concentrations.
B. Option D, 1&4
At equilibrium there is no longer changes in the concentration of SO2.
Rate of forward reaction is more than reverse reaction
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Part A Photosynthesis can be represented by 6C02(g) + 6H2O(l) = C&H 206(s) + 602(g) Which of the following wil...
Q1: A reaction that can proceed in either the forward or the reverse direction as written...
Q1: A reaction that can proceed in either the forward or the reverse direction as written is called a - reaction. 1) Favored 2) Miniscule 3) reversible 4) Solid-phase 5) Microscopic Q2: 2502(g) + O2(g) = 2503(g) For the reaction at equilibrium, if Oz is added, the amount of SO2 present will 1) Decrease 2) Increase 3) Stay the same Q3: For the following equilibrium reaction, which causes and effect are correctly matched? CO(g) + 2H2(g) = CH3OH(g) + heat...
Give an example of a reversible reaction and an irreversible reaction. 2. Explain how they are...
Give an example of a reversible reaction and an irreversible reaction. 2. Explain how they are fundamentally different. Equilibrium is a dynamic process. Explain what this means. 3. Determine whether the following statements are true or false. Correct the false statements. a. When a chemical reaction reaches equilibrium, the reaction completely stops. b. When a chemical reaction reaches equilibrium, the forward reaction stops and the reverse reaction begins. 4. Determine whether the following statements are true or false. Correct the...
1. (6 points) Write the equilibrium constant expression ke for the following reaction: 3 F(b) +...
1. (6 points) Write the equilibrium constant expression ke for the following reaction: 3 F(b) + Ca(e) = 2 CIF(e) 2. (6 points) Write the equilibrium constant expression Kc for the following reaction: Fe2O3(s) + 3 CO(g) = 2 Fel) + 3 CO2(B) 3. (6 points) Consider the following chemical reaction and the concentrations for each substance: H2O(g) + CH2(g) = CO(g) + 3H2(g) Kc = 4.7 at 1400 K concentration 1.00 M 0.500 M 2.35 M 1.00 M Under...
When a chemical reaction is at equilibrium, the forward and reverse reactions occur at the same...
When a chemical reaction is at equilibrium, the forward and reverse reactions occur at the same rate. The concentrations of the different compounds in the reactions will remain constant. The relationship between the concentrations of the reactants and products is expressed as the equilibrium constant, K.. Part A Balance this equation, and then enter the coefficients, in order, below. CCl,(g) + O2(g) = COCl (g) - Cl (8) Express your answer as integers separated by commas (e.g. 1, 2, 3,...
Consider the following reaction where K. = 83.3 at 500 K: PC13(g) + Cl2(g) = PC15(8)...
Consider the following reaction where K. = 83.3 at 500 K: PC13(g) + Cl2(g) = PC15(8) A reaction mixture was found to contain 2.76x10-2 moles of PC13(g), 4.46x10-2 moles of Cl2(g) and 0.133 moles of PC13(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following: (- 1. In order to reach equilibrium PC15(g) must be consumed. 2. In order to reach equilibrium K, must increase. 3. In order to reach equilibrium PC1z must...
1. Consider the following reaction at equilibrium. 4 FeS2(s) + 11 O2(g) ⇌ 2 Fe2O3(s) + 8 SO2(g)...
1. Consider the following reaction at equilibrium. 4 FeS2(s) + 11 O2(g) ⇌ 2 Fe2O3(s) + 8 SO2(g) a. What will happen if the pressure increased? b. What will happen if the concentration of FeS2(s) is decreased? 2) The following reaction is exothermic: What direction will the equilibrium shift if the following changes are made? 2 SO2(g) + O2(g) ⇌ 2 SO3(g) a) Raising the temperature b) Adding SO3 c) Removing O2 d) Decreasing the volume
1. Which of the following is true for a chemical reaction at equilibrium? only the forward...
1. Which of the following is true for a chemical reaction at equilibrium? only the forward reaction stops only the reverse reaction stops both the forward and reverse reactions stop the rate constants for the forward and reverse reactions are equal the rates of the forward and reverse reactions are equal 2. A chemical equilibrium may be established by starting a reaction with reactants only. d. any quantities of reactants and products. products only. e. all the above equal quantities...
2. A reaction important in smog formation is. К, - 6.0 х 104 Os(g)NO(g) <=> O2(g) NO2(g) (a) If initial concentra...
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Question 1 Glucose metabolism can be represented by the following chemical reaction: C6H12O6(aq)+6O2(g)6CO2(g)+6H2O(l) H for...
Question 1
Glucose metabolism can be represented by the following chemical
reaction:
C6H12O6(aq)+6O2(g)6CO2(g)+6H2O(l)
H for the
reaction is -2837 kJ/mole.
Is this reaction endothermic or exothermic?
Write an expression for the equilibrium constant for this
reaction.
Given that the value of the equilibrium constant is very large,
would you expect this reaction to be fast or slow?
Explain the effect on equilibrium of
Increasing temperature
Increasing pressure by decreasing the volume
Decreasing concentration of oxygen
Increasing the concentration of...
Which of the following statements is/are correct? 1. ∆H° for the reaction C(diamond) + O2(g) →...
Which of the following statements is/are correct? 1. ∆H° for the reaction C(diamond) + O2(g) → CO2(g) is the enthalpy of combustion of diamond. 2. ∆H° for the reaction C(graphite) + 1/2 O2(g) → CO(g) is the standard enthalpy of formation (∆Hf) of CO(g). 3. ∆H° for the reaction C(graphite) → C(diamond) is the standard enthalpy of formation (∆Hf) of diamond. A. all B. 2 only C. 1 and 2 only D. 1 and 3 only E. 2 and 3...
Q1: A reaction that can proceed in either the forward or the reverse direction as written is called a - reaction. 1) Favored 2) Miniscule 3) reversible 4) Solid-phase 5) Microscopic Q2: 2502(g) + O2(g) = 2503(g) For the reaction at equilibrium, if Oz is added, the amount of SO2 present will 1) Decrease 2) Increase 3) Stay the same Q3: For the following equilibrium reaction, which causes and effect are correctly matched? CO(g) + 2H2(g) = CH3OH(g) + heat...
1. (6 points) Write the equilibrium constant expression ke for the following reaction: 3 F(b) + Ca(e) = 2 CIF(e) 2. (6 points) Write the equilibrium constant expression Kc for the following reaction: Fe2O3(s) + 3 CO(g) = 2 Fel) + 3 CO2(B) 3. (6 points) Consider the following chemical reaction and the concentrations for each substance: H2O(g) + CH2(g) = CO(g) + 3H2(g) Kc = 4.7 at 1400 K concentration 1.00 M 0.500 M 2.35 M 1.00 M Under...
When a chemical reaction is at equilibrium, the forward and reverse reactions occur at the same rate. The concentrations of the different compounds in the reactions will remain constant. The relationship between the concentrations of the reactants and products is expressed as the equilibrium constant, K.. Part A Balance this equation, and then enter the coefficients, in order, below. CCl,(g) + O2(g) = COCl (g) - Cl (8) Express your answer as integers separated by commas (e.g. 1, 2, 3,...
Consider the following reaction where K. = 83.3 at 500 K: PC13(g) + Cl2(g) = PC15(8) A reaction mixture was found to contain 2.76x10-2 moles of PC13(g), 4.46x10-2 moles of Cl2(g) and 0.133 moles of PC13(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following: (- 1. In order to reach equilibrium PC15(g) must be consumed. 2. In order to reach equilibrium K, must increase. 3. In order to reach equilibrium PC1z must...
1. Which of the following is true for a chemical reaction at equilibrium? only the forward reaction stops only the reverse reaction stops both the forward and reverse reactions stop the rate constants for the forward and reverse reactions are equal the rates of the forward and reverse reactions are equal 2. A chemical equilibrium may be established by starting a reaction with reactants only. d. any quantities of reactants and products. products only. e. all the above equal quantities...
2. A reaction important in smog formation is. К, - 6.0 х 104 Os(g)NO(g) <=> O2(g) NO2(g) (a) If initial concentrations are [O3] = [NO] = 2.0 x 10-3 M, and [NO2] = [O2] = 1.5 x 10-4 M, is the system at equilibrium? If not, in what direction will the reaction proceed to reach equilibrium? (1 pts) Use Q to support your choice. (b) Determine the equilibrium concentration of the substances in the reaction. (1 pts) [NO2 [NO]
Question 1
Glucose metabolism can be represented by the following chemical
reaction:
C6H12O6(aq)+6O2(g)6CO2(g)+6H2O(l)
H for the
reaction is -2837 kJ/mole.
Is this reaction endothermic or exothermic?
Write an expression for the equilibrium constant for this
reaction.
Given that the value of the equilibrium constant is very large,
would you expect this reaction to be fast or slow?
Explain the effect on equilibrium of
Increasing temperature
Increasing pressure by decreasing the volume
Decreasing concentration of oxygen
Increasing the concentration of...
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