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

Chem 162 exam with complete solution

nitrogen gas : N₂ hydrogen gas : H₂ oxygen gas : O₂ fluorine gas : F₂ chlorine gas : Cl₂ iodine gas : I₂ bromine gas 2 | P a g e : Br₂ Ammonium : NH₄⁺ Carbonate : CO₃²⁻ Hydrogen Carbonate : HCO₃⁻ Acetate : CH₃COO⁻ Hydroxide : OH⁻ Nitrate : NO₃⁻ Nitrite : NO₂

chem 162 exam 1 with complete solution

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...

a) When Na metal reacts with water 368.6KJ of energy is evolved sulfur (S8) burns in air to produce sulfur dioxide, reaction evolves 9.31KJ of heat per gram of S8, write the thermalchemical equation. b) the dissociation of 1 mol sulfur dioxide in elements c) you burn 15.0g of S8 in air. How much heat evolves for this amount of sulfur : a) -2.39x10^-3 KJ/mol b) +299KJ c) -1.40x10^2 KJ/mol How many grams of glucose needed per day? (C6H12O6) Man: 67KJ is 1.3x10^4 KJ Woman: 58KJ is 8.8x1...

Chem 162 EXAM Questions And Answers With Complete Solutions | Latest 2024/2025 | A+ Graded The following reaction is known as the Haber process which is responsible for nearly 80% of the nitrogen found in human tissues, which set of conditions would give more product? - High pressure and low temperature Write the formula for the conjugate base for HCHO2 - CHO2- Give the direction of the reaction, if K << 1. - The reverse reaction is favored. A 100.0 mL sample of 0.10 M NH3 is titrat...

Chem 162 exam 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...

CHEM 162 EXPERIMENT # 1 REACTIVITY TRENDS UNIVERSITY OF WASHINGTON 2023 ACTUAL 100% EXAM

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...