Chemistry Solutions Library

Chemistry Solutions Library

Access over 36,040 Chemistry video and text solutions to help you complete your homework.

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36,040 solutions

Calorimetry

Q. How much heat (kJ) is needed to raise the temperature of 100.0 grams of water from 25.0°C to 50.0°C?

Solved • Aug 7, 2019
Chemical Equilibrium

Q. In which reaction does kp = kc? a) NO(g) + O2(g) <--> N2O3(g) b) N2(g) + O2(g) <--> 2NO(g) c) CaCO3(s) <--> CaO(s) + CO2(g) d) N2...

Solved • Aug 7, 2019
Balancing Chemical Equations

Q. How do you balance CH3OH + O2 → CO2 + H2O?

Solved • Aug 7, 2019

Percent Yield

Q. 1.95 g of H2 is allowed to react with 9.94 g of N 2, producing 1.56 g of NH 3. What is the theoretical yield in grams for this reaction under the g...

Solved • Aug 7, 2019
Net Ionic Equations

Q. What is the net ionic equation for the reaction between  HF (a weak acid) and NaOH?

Solved • Aug 7, 2019

Quantum Numbers

Q. How many electrons in an atom can have the n = 5, l = 2 designation?

Solved • Aug 7, 2019
The Spin Quantum Number

Q. Which of the following set of quantum numbers is not allowed?a. n = 1, l = 0, m l = 0, ms = −1/2b. n = 3, l = 2, m l = −1, ms = 1/2c. n = 5, l = 2,...

Solved • Aug 7, 2019