An increase in temperature will cause the rate of a chemical reaction to
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Definition1/14
increased temperture causes rate or reaction to increase.
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Term1/14
What defines an exothermic reaction
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Definition1/14
A reaction that produces heat
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Term1/14
What does the enthalpy of reaction measure
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Definition1/14
The amount of energy that is used or released as heat in a
reaction.
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Term1/14
Which of the following best describes a neutralization reaction
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Definition1/14
Answer this question… Which of the following best describes a neutralization reaction? A. Acid + base H+ + OH- B. Acid + base salt + water C. Acid + base metal + nonmetal D. Acid + base H2O + H3O+
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Term1/14
What is true of the enthalpy value of an intermediate reaction
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Definition1/14
It is multiplied by 2 if the intermediate reaction is multiplied
by 2
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Term1/14
Which of the following describes the entropy change of a gas reaction
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Definition1/14
If there is an increase in the number of gas molecules, then S > 0.
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Term1/14
How does entropy change in gas reactions
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Definition1/14
Reactions that increase the moles of gas will increase in
entropy.
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Term1/14
What does a negative change in entropy indicate
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Definition1/14
The system has become more ordered.
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Term1/14
Which of the following would most likely be spontaneous
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Definition1/14
A reaction that produces heat
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Term1/14
Which of the following would have the best thermal conductor properties
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Definition1/14
A cup made of metal. (Apex)
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Term1/14
A concentration unit expressed in units of moles of solute per kilogram of solvent
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Definition1/14
This is called molality.
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Term1/14
What chemical reaction describes where energy is absorbed
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Definition1/14
You think probable to an endothermic chemical reaction.
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Term1/14
How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt
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Definition1/14
1kj x 1/H fusion x g/mol solid
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Term1/14
If 6 moles of a compound produce 84 J of energy what is the delta H reaction in jmol
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Definition1/14
84 J/6 moles = 14 J/mole = ∆H
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Cards in this guide (14)
An increase in temperature will cause the rate of a chemical reaction to
increased temperture causes rate or reaction to increase.
What defines an exothermic reaction
A reaction that produces heat
What does the enthalpy of reaction measure
The amount of energy that is used or released as heat in a
reaction.
Which of the following best describes a neutralization reaction
Answer this question… Which of the following best describes a neutralization reaction? A. Acid + base H+ + OH- B. Acid + base salt + water C. Acid + base metal + nonmetal D. Acid + base H2O + H3O+
What is true of the enthalpy value of an intermediate reaction
It is multiplied by 2 if the intermediate reaction is multiplied
by 2
Which of the following describes the entropy change of a gas reaction
If there is an increase in the number of gas molecules, then S > 0.
How does entropy change in gas reactions
Reactions that increase the moles of gas will increase in
entropy.
What does a negative change in entropy indicate
The system has become more ordered.
Which of the following would most likely be spontaneous
A reaction that produces heat
Which of the following would have the best thermal conductor properties
A cup made of metal. (Apex)
A concentration unit expressed in units of moles of solute per kilogram of solvent
This is called molality.
What chemical reaction describes where energy is absorbed
You think probable to an endothermic chemical reaction.
How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt
1kj x 1/H fusion x g/mol solid
If 6 moles of a compound produce 84 J of energy what is the delta H reaction in jmol