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Exam (elaborations)

Chem 115 Exam 2 2025/2026 Exam Questions with 100% Correct Answers | Latest Update

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Chem 115 Exam 2 2025/2026 Exam Questions with 100% Correct Answers | Latest Update Calorie -

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Institution
Chem 115
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Uploaded on
May 12, 2025
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Written in
2024/2025
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Chem 115 Exam 2 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update



Calorie - 🧠 ANSWER ✔✔Amount of energy needed to raise temperature 1

gram of water 1 degree C


1 Cal = - 🧠 ANSWER ✔✔4.184 joules


1000J= - 🧠 ANSWER ✔✔1kJ Kilojoule


1000 Cal - 🧠 ANSWER ✔✔1 kcal kilocalorie


1 kcal= - 🧠 ANSWER ✔✔4.184 kJ


It takes blank to break bonds (absorbed) - 🧠 ANSWER ✔✔energy


Energy is blank when bonds form - 🧠 ANSWER ✔✔released


Lower EA= - 🧠 ANSWER ✔✔faster reaction


higher concentration= - 🧠 ANSWER ✔✔more collisions which equals faster

reaction



COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED

, higher temp= - 🧠 ANSWER ✔✔more energy for EA and more collisions

which equals faster reactions


catalyst= - 🧠 ANSWER ✔✔lower EA which equals faster reaction


Increasing temp in endothermic reaction - 🧠 ANSWER ✔✔equilibrium

favors products


increasing temp in exothermic reaction - 🧠 ANSWER ✔✔equilibrium favors

reactants


decreasing temp in endothermic reaction - 🧠 ANSWER ✔✔equilibrium

favors reactants


decreasing temp in exothermic reaction - 🧠 ANSWER ✔✔equilibrium favors

products


increasing pressure - 🧠 ANSWER ✔✔Equilibrium favors the side that has

fewer moles


decreasing pressure - 🧠 ANSWER ✔✔Equilibrium favors the side that has

more moles


adding reactant - 🧠 ANSWER ✔✔equilibrium favors products




COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
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