1 potassium metal reacting with water to produce potassium

Question

Assignment 1 Chem 1210

Part A:

Do the following problems from the textbook Brown LeMay Bursten

Show all working and use the correct number of significant figures and units where appropriate.

Chapter 1

1.9, 1.18, 1.20, 1.23, 1.25 1.28, 1.37, 1.39 1.41, 1.43, 1.53,

Part B:

Question 1

Give the formula equation for the following reactions.

1. Potassium metal reacting with water to produce potassium hydroxide and hydrogen gas.

2. The bicarbonate, HCO₃^- ion reacting with the H ⁺ ion to produce water and carbon dioxide.

3. Copper metal reacting with silver nitrate solution to make silver metal and copper(II) nitrate.

4. Iron metal reacting with oxygen gas to make iron(III) oxide.

Question 2

Write balanced equations for the combustion of the following materials

a. Methane

b. Propane

c. Hexane C₆H₁₄

d. Carbon

e. Sulfur

Question 3

Calculate the volume of 10 ¹⁶water molecules, if the mass of one molecule is 3 x 10^-23g and the density of water is taken to be 1.000 g/mL.