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Chem 108 UNLV Midterm 2 Review – Complete Chemistry Study Guide & Practice Test (2026)

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Chem 108 UNLV Midterm 2 Review – Complete Chemistry Study Guide & Practice Test (2026)

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Chem 108 UNLV Midterm 2 Review – Complete Chemistry Study Guide &
Practice Test (2026)


M means ? - ANS ✔✔the number before the M is the moles of the substance per 1 L solution.
(12.1 M = 1L)



non-electrolyte - ANS ✔✔C₆H₁₂O₆ (glucose), CH₃OH (methanol), C₂H₅OH (ethanol), CO₂



strong electrolyte - ANS ✔✔Strong acids, Strong bases, NaCl, KBr, MgCl₂, NaNO₃



weak electrolyte - ANS ✔✔Weak acids and bases



pH formula? - ANS ✔✔pH= -log(H+) (pH is equal to negative log (H)



H+ formula? - ANS ✔✔H+ = 10^-pH (H is equal to 10 to the power of negative H)



Kw formula? - ANS ✔✔Kw= [H+][OH-] = 10^ -14

(To get H or OH, divide it by 1.0*10^-14) FOLLOW FULL STEPS, WRITE OUT THE ENTIRE THINGY



1 Calorie is equal to - ANS ✔✔10^3 cal



10^3 cal is equal to - ANS ✔✔1 Calorie



If the product have higher energy the reaction is - ANS ✔✔endothermic



If the product have lower energy the reaction is - ANS ✔✔exothermic

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