Homework Answers
Question 2 .option (b) is correct.A<--->B .It shows Aand B are in equilibrium.
Question 3 rate of reaction can be increased by
Increase the temperature
Increase concentration of reactant
Add a catalyst
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Question 2 1 pt Which of the following chemical equations indicates that the reaction can achieve...
6. (1 pt) Which represents an ENDOTHERMIC reaction? a. 10 kJ + reactants - products b....
6. (1 pt) Which represents an ENDOTHERMIC reaction? a. 10 kJ + reactants - products b. reactants-> products + 10 kJ C reactants - products d. reactants-products 7. (1 pt) Which represents a reaction that requires a catalyst? a. 10 kJ + reactants-> products b. reactants -> products + 10 kJ c. reactants products d. reactants-> products 8. (1 pt) Which represents reversible reaction? a. 10 kJ + reactants -> products b. reactants-> products + 10 kJ C. reactants products...
< Question 7 of 10 > Substance Calculate the equilibrium constant for the chemical reaction, given...
< Question 7 of 10 > Substance Calculate the equilibrium constant for the chemical reaction, given the equilibrium concentrations of the reactants and products in the table. Equilibrium concentration 4.01 M AB CD 3.60 M 4.82 M 2 AB(aq) + 4CD(aq) = 2 AD(aq) + 2 BD(aq) + 4C(aq) 2.22 M 3.66 M
Question 1 1 pt If the equilibrium constant for a reaction is >1, reactants are more...
Question 1 1 pt If the equilibrium constant for a reaction is >1, reactants are more prominent at equilibrium. True False Question 2 1 pts In your own words, explain how Transition lenses are an example of Le Chatelier's principle. In your answer, address: a. What is being added or removed? b. Is it a product or reactant in the chemical reaction? How does this relate to Le Chatelier's principle? c. How does this effect the color of the lenses?
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the number of successful reactant collisions. B) decrease the concentration of reactants. change the equilibrium concentrations of the products and react D) increase the energy given off during the reaction E) increase the temperature at which the reaction is carried out. 3) Refrigerating perishable foods affects biochemical reactions by A) increasing concentrations of antioxidants. B) removing bacteria. C) decreasing the rate of reactions affecting spoilage....
Question 18 1 pts Which of the following statements best describes the reaction shown as all...
Question 18 1 pts Which of the following statements best describes the reaction shown as all four substances are mixed in a sealed container at an initial concentration of 0.10 M. CO(g) + H2O(g) + CO2(g) + H2(E) K-0.6944 The reaction will proceed toward products and favors products at equilibrium. The reaction will proceed toward products and favors reactants at equilibrium The reaction will proceed towards reactants and favors products at equilibrium. The reaction will proceed towards reactants and favors...
Which statements listed below can explain why a chemical reaction does not take place? concentration of...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
QUESTION 16 The following balanced chemical equation is in equilibrium Which of the following changes will...
QUESTION 16 The following balanced chemical equation is in equilibrium Which of the following changes will shift the equilibrium towards forming more products? 2A(g) + B(g) = 30g) 20(g) Increase the pressure of B Double the pressure of both reactants and products Decrease the volume of the reaction vessel, while the total mass and the temperature remain constant Add a catalyst Decrease the pressure of A QUESTION 17 You seal 10.0 moles of solid NH4NO3 into an empty 5.00 L...
which of the following statements about K of 3.5 calculated for a specific chemical reaction at...
which of the following statements about K of 3.5 calculated for a specific chemical reaction at equilibrium is incorrect? A: It was calculated by dividing the products by that of the reactants B: it indicates that one side of the reaction has most of the matter present C: it is an evaluation of the extent of the two chemical reactions involved: the forward and the reverse reactions D: a K of 3.5 indicates that a catalyst will push the reaction...
For a chemical reaction at equilibrium, which of the following will change the value of the...
For a chemical reaction at equilibrium, which of the following will change the value of the equilibrium constant K? I. changing the temperature Il. changing the total concentration of reactants and products IlI. changing the reaction coefficients O a. Ionly O b.ll only Oelll only I and Il only I and Il only A Moving to another question will save this response. MacBook Air
If the equilibrium constant for a reaction is >1, reactants are more prominent at equilibrium. O...
If the equilibrium constant for a reaction is >1, reactants are more prominent at equilibrium. O True O False Question 2 1 pts In your own words, explain how Transition lenses are an example of Le Chatelier's principle. In your answer, address: a. What is being added or removed? b. Is it a product or reactant in the chemical reaction? How does this relate to Le Chatelier's principle? c. How does this effect the color of the lenses? Canvas will...
6. (1 pt) Which represents an ENDOTHERMIC reaction? a. 10 kJ + reactants - products b. reactants-> products + 10 kJ C reactants - products d. reactants-products 7. (1 pt) Which represents a reaction that requires a catalyst? a. 10 kJ + reactants-> products b. reactants -> products + 10 kJ c. reactants products d. reactants-> products 8. (1 pt) Which represents reversible reaction? a. 10 kJ + reactants -> products b. reactants-> products + 10 kJ C. reactants products...
< Question 7 of 10 > Substance Calculate the equilibrium constant for the chemical reaction, given the equilibrium concentrations of the reactants and products in the table. Equilibrium concentration 4.01 M AB CD 3.60 M 4.82 M 2 AB(aq) + 4CD(aq) = 2 AD(aq) + 2 BD(aq) + 4C(aq) 2.22 M 3.66 M
Question 1 1 pt If the equilibrium constant for a reaction is >1, reactants are more prominent at equilibrium. True False Question 2 1 pts In your own words, explain how Transition lenses are an example of Le Chatelier's principle. In your answer, address: a. What is being added or removed? b. Is it a product or reactant in the chemical reaction? How does this relate to Le Chatelier's principle? c. How does this effect the color of the lenses?
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the number of successful reactant collisions. B) decrease the concentration of reactants. change the equilibrium concentrations of the products and react D) increase the energy given off during the reaction E) increase the temperature at which the reaction is carried out. 3) Refrigerating perishable foods affects biochemical reactions by A) increasing concentrations of antioxidants. B) removing bacteria. C) decreasing the rate of reactions affecting spoilage....
Question 18 1 pts Which of the following statements best describes the reaction shown as all four substances are mixed in a sealed container at an initial concentration of 0.10 M. CO(g) + H2O(g) + CO2(g) + H2(E) K-0.6944 The reaction will proceed toward products and favors products at equilibrium. The reaction will proceed toward products and favors reactants at equilibrium The reaction will proceed towards reactants and favors products at equilibrium. The reaction will proceed towards reactants and favors...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
QUESTION 16 The following balanced chemical equation is in equilibrium Which of the following changes will shift the equilibrium towards forming more products? 2A(g) + B(g) = 30g) 20(g) Increase the pressure of B Double the pressure of both reactants and products Decrease the volume of the reaction vessel, while the total mass and the temperature remain constant Add a catalyst Decrease the pressure of A QUESTION 17 You seal 10.0 moles of solid NH4NO3 into an empty 5.00 L...
For a chemical reaction at equilibrium, which of the following will change the value of the equilibrium constant K? I. changing the temperature Il. changing the total concentration of reactants and products IlI. changing the reaction coefficients O a. Ionly O b.ll only Oelll only I and Il only I and Il only A Moving to another question will save this response. MacBook Air
If the equilibrium constant for a reaction is >1, reactants are more prominent at equilibrium. O True O False Question 2 1 pts In your own words, explain how Transition lenses are an example of Le Chatelier's principle. In your answer, address: a. What is being added or removed? b. Is it a product or reactant in the chemical reaction? How does this relate to Le Chatelier's principle? c. How does this effect the color of the lenses? Canvas will...
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