Chemistry

December 21, 2019

Gases

Gases Identification of Gases Hands-On Labs, Inc. Version 42-0189-00-02 Review the safety materials and wear goggles when working with chemicals. Read the entire exercise before you begin. Take time to organize the materials you will need and set aside a safe work space in which to complete the exercise. Experiment […]
December 21, 2019

General Chemistry

General Chemistry 1. A 5.00 g sample of a brownie with nuts is burned in a bomb calorimeter containing 2025 g of water. The temperature of the water increases from 23.50C to 33.47C. How much heat, in joules, did the brownie release when it burned? (Cwater = 4.184 J/gC) A) […]
December 21, 2019

Concentration & Moles Of Solutions.

Concentration & Moles Of Solutions. Just a coupe of uni level chem questions! If you have any issues especially in the second one, read the uploaded document to get an idea. Question 1 – iodine solution standardisation: a) Calculate the mean (average) volume of the titre values you have chosen. […]
December 21, 2019

Equilibrium And LeChatelier’s Principle

Equilibrium And LeChatelier’s Principle Equilibrium and Le Châtelier’s Principle (This experiment is done in pairs. Note: you may wish to divide part 1 and 2 between partners.) Useful background reading (this is not compulsory but may be helpful): Tro, 4th and 5th Edition: Sections 15.3, 15.7, 15.8, 14.9 (Intro only) […]