For a reaction to be exothermic, what must be true (do not consider solvent effects)? The...
For a reaction to be exothermic, what must be true (do not consider solvent effects)? The bonds in the products are _______ than the bonds in the reactants.
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For a reaction to be exothermic, what must be true (do not
consider solvent effects)? The...
The combustion of octane is an exothermic reaction. Which statement is true for an exothermic reaction?...
The combustion of octane is an exothermic reaction. Which statement is true for an exothermic reaction? a) It consumes heat because the reactants have a lower energy than the products. b) It releases heat because the reactants have a higher energy than the products. c) It consumes heat because the reactants have a higher energy than the products. d) It releases heat because the reactants have a lower energy than the products.
If the enthalpy of solution in water is exothermic which of the following MUST be true:...
If the enthalpy of solution in water is exothermic which of the following MUST be true: The energy required to form solvent-solute interactions is small. OA Adding heat to the solution will increase the solubility of the solute. ОВ. The energy required to break solvent-solvent interactions is small. Ос. The solute is a gas. OD The enthalpy change from forming solute-solvent interactions is greater than the enthalpy changes from breaking solvent-solvent and breaking solute-solute interactions combined. OE.
Consider the exothermic reaction AC + B → AB + C. - - - - -...
Consider the exothermic reaction AC + B → AB +
C.
- - - - - - - Energy, E - - - - - - - - - - - Reaction coordinate Label the following according to the numbers on the figure above. Number of the arrow on the energy diagram Energy of reactants Energy of products AE reaction Eg for the forward reaction Type the correct molecular structure of the activated complex.
Given this reaction: Br SH -- What do you expect is true about the solvent used...
Given this reaction: Br SH -- What do you expect is true about the solvent used in the reaction? The solvent is aprotic and polar The solvent is protic and polar
1. 2. If an exothermic reaction reaches equilibrium, what will cooling the reaction vessel do to...
1. 2. If an exothermic reaction reaches
equilibrium, what will cooling the reaction vessel do to the
reaction? Explain your answer?
When a reaction with two reactants and one product reaches its equilibrium, what will happen to the amount of product if one reactant is removed? A+B -> С O Nothing, because the reaction has reached equilibrium O The amount of product will increase The reaction will shift to producing more reactants O The reaction will slow down the speed...
(6.2) Consider the reaction: C3H8) + 5 029) -- 3 CO2(g) + 4H2009), where AH =...
(6.2) Consider the reaction: C3H8) + 5 029) -- 3 CO2(g) + 4H2009), where AH = -531 kcal. Which statement concerning this reaction is true? Select one: a. The reaction is endothermic. b. The products are higher in energy than the reactants. c. Heat is absorbed. d. The bonds formed in the products are stronger than the bonds broken in the reactants. Check
Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following...
Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following is true? (Select all that apply) the reaction is endothermic heat is given off by the surroundings the reaction is exothermic heat is absorbed by the system the enthalpy of the products is less than the that of the reactants
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the...
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the reaction AS must be greater than zero AS could be greater than or less than than zero the reaction is spontaneous in the reverse direction
A reaction is said to be ________ if the bonds formed during the reaction are stronger...
A reaction is said to be ________ if the bonds formed during the reaction are stronger than the bonds broken. A) exergonic B) endergonic C) endothermic D) exothermic E) spontaneous I know the answer is exothermic but I'm confused as to why. Wouldn't having stronger bonds formed than bonds broken mean that delta_H is positive since the enthalpy on the products is bigger than the reactants thus making it endothermic?
which one of the following statements is true? A. an endothermic reaction is one in which...
which one of the following statements is true? A. an endothermic reaction is one in which energy is released from the system into the surroundings B. in an exothermic reaction the products are higher in energy than the reactants C. The total amount of energy in the universe is not a constant D. The change in enthalpy for exothermic chemical reactions is positive E. when energy is released from the system it is absorbed by the surroundings
The combustion of octane is an exothermic reaction. Which statement is true for an exothermic reaction? a) It consumes heat because the reactants have a lower energy than the products. b) It releases heat because the reactants have a higher energy than the products. c) It consumes heat because the reactants have a higher energy than the products. d) It releases heat because the reactants have a lower energy than the products.
If the enthalpy of solution in water is exothermic which of the following MUST be true: The energy required to form solvent-solute interactions is small. OA Adding heat to the solution will increase the solubility of the solute. ОВ. The energy required to break solvent-solvent interactions is small. Ос. The solute is a gas. OD The enthalpy change from forming solute-solvent interactions is greater than the enthalpy changes from breaking solvent-solvent and breaking solute-solute interactions combined. OE.
Consider the exothermic reaction AC + B → AB +
C.
- - - - - - - Energy, E - - - - - - - - - - - Reaction coordinate Label the following according to the numbers on the figure above. Number of the arrow on the energy diagram Energy of reactants Energy of products AE reaction Eg for the forward reaction Type the correct molecular structure of the activated complex.
Given this reaction: Br SH -- What do you expect is true about the solvent used in the reaction? The solvent is aprotic and polar The solvent is protic and polar
1. 2. If an exothermic reaction reaches
equilibrium, what will cooling the reaction vessel do to the
reaction? Explain your answer?
When a reaction with two reactants and one product reaches its equilibrium, what will happen to the amount of product if one reactant is removed? A+B -> С O Nothing, because the reaction has reached equilibrium O The amount of product will increase The reaction will shift to producing more reactants O The reaction will slow down the speed...
(6.2) Consider the reaction: C3H8) + 5 029) -- 3 CO2(g) + 4H2009), where AH = -531 kcal. Which statement concerning this reaction is true? Select one: a. The reaction is endothermic. b. The products are higher in energy than the reactants. c. Heat is absorbed. d. The bonds formed in the products are stronger than the bonds broken in the reactants. Check
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the reaction AS must be greater than zero AS could be greater than or less than than zero the reaction is spontaneous in the reverse direction
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