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Chem 115 Exam 2 Questions and Correct Answers

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Chem 115 Exam 2 Questions and Correct Answers

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Chem 115
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Institution
Chem 115
Module
Chem 115

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Uploaded on
November 24, 2025
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Written in
2025/2026
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  • chem 115 exam 2 questions and correct answers

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Chem 115 Exam 2 Questions and Correct
Answers
Calorie Ans: Amount of energy needed to raise temperature 1
gram of water 1 degree C

1 Cal = Ans: 4.184 joules

1000J= Ans: 1kJ Kilojoule

1000 Cal Ans: 1 kcal kilocalorie

1 kcal= Ans: 4.184 kJ

It takes blank to break bonds (absorbed) Ans: energy

Energy is blank when bonds form Ans: released

Lower EA= Ans: faster reaction

higher concentration= Ans: more collisions which equals faster
reaction

higher temp= Ans: more energy for EA and more collisions which
equals faster reactions

catalyst= Ans: lower EA which equals faster reaction

Increasing temp in endothermic reaction Ans: equilibrium favors
products



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increasing temp in exothermic reaction Ans: equilibrium favors
reactants

decreasing temp in endothermic reaction Ans: equilibrium favors
reactants

decreasing temp in exothermic reaction Ans: equilibrium favors
products

increasing pressure Ans: Equilibrium favors the side that has
fewer moles

decreasing pressure Ans: Equilibrium favors the side that has
more moles

adding reactant Ans: equilibrium favors products

removing reactant Ans: equilibrium favors reactants

adding product Ans: equilibrium favors reactants

removing reactant Ans: equilibrium favors products

kilo Ans: 1000

hecto Ans: 100

deka Ans: 10

deci Ans: 10^-1

centi Ans: hundred



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