Chem 162 exam 1 - Study guides, Class notes & Summaries

exothermic reaction correct answers a chemical reaction that releases energy to its surroundings "Heat" is best described as correct answers the energy transferred as a result of a temperature difference endothermic reaction correct answers A reaction that ABSORBS energy in the form of heat Iodine Vapor depositing on a cool surface correct answers exothermic water condensing on a cold glass correct answers exothermic propane burning correct answers exothermic dry ice sublimin...

Chem 162 exam 1 practice test

Calculate molarity when 734g of lithium sulfate are dissolved in 2500mL of water? : 2.7 Molar Calculate the molarity when 9.0x10^23 molecules of CCl4 are dissolved in 500mL of water? : 3 Molar How much water would 1 need to add to a solution made of 500mL of a 2.4M KCl solution to make the final concentration 1.0M : 7.0x10^2mL or .70L What volume of a .040M HCl solution is needed to reach with 40.0mL of a .090M NaOH solution : 90mL or .090

Chem 162 Exam 2 (1)

CHEM 162 FINAL WXAM QUESTIONS AND ANSWERS, LATEST UPDATED 2024/2025 (GRADED) Which one of the following nuclear reactions is not correct? A. 226 88Ra → 222 86Ra + α B. 63 28Ni → 63 29Cu + βC. 11 C → 11 B + β+ D. 14 C → 14 N + βE. 14 7N + 1 0n → 14 C + 1 1p A. Correct. 22688Ra → 22286Ra + 4 α B. Correct. 6328Ni → 6329Cu + 0 -1e C. Not correct. 11 C → 11 B + 0 e 3 6 7 -1 6 D. Correct. 14 C → 14 N + 0 e E. Correct. 147N + 1 0n → 14 C + 1 1p CHEM 162...

Exam 2 Summary on Chapter 15 to 17 ; topics of equilibrium, reaction rates, acid & base, and calculations

Chem 162 Exam 2 (In-Class) Practice Problems with complete solution

Chem 162 Exam 2

CHEM 162 FINAL WXAM QUESTIONS AND ANSWERS, LATEST UPDATED 2024/2025 (GRADED) Which one of the following nuclear reactions is not correct? A. 226 88Ra → 222 86Ra + α B. 63 28Ni → 63 29Cu + βC. 11 C → 11 B + β+ D. 14 C → 14 N + βE. 14 7N + 1 0n → 14 C + 1 1p A. Correct. 22688Ra → 22286Ra + 4 α B. Correct. 6328Ni → 6329Cu + 0 -1e C. Not correct. 11 C → 11 B + 0 e 3 6 7 -1 6 D. Correct. 14 C → 14 N + 0 e E. Correct. 147N + 1 0n → 14 C + 1 1p CHEM 162...

Chem 162 exam 1 with complete solution