Chem 162 exam - Study guides, Revision notes & Summaries

For the reaction: X + Y → Z ; the rate law is: rate = k[X]2[Y]. To double the reaction rate : A. double the concentration of Z B. double the concentration of Y C. double the concentration of X correct answers double the concentration of Y 115 grams of H2SO4 is dissolved in 500.0mL of water. What is the Normality of the resulting solution? (assume all H+ enter the solution) A. 2.3 B. 4.7 C. 11.5 correct answers B. 4.7 The initial volume of a gas cylinder is 750.0 mL. If the pres...

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

Chem 162 Exam I (Chapter 11) with complete verified solutions 2025.

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...

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 3 with complete solution

chem 162 exam 1 with complete solution

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 (In-Class) Practice Problems 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...