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Worksheet 6
Supplemental Instruction
Iowa State University
Nevin
Chem 177
Schewe-Miller
09/14/2014
Balance the following chemical reactions:
𝑁2 𝑂5 (𝑔) +
𝐶4 𝐻10 (𝑔) +
𝐻2 𝑂(𝑙) →
𝑂2 (𝑔) →
𝐻𝑁𝑂3 (𝑎𝑞)
𝐶𝑂2 (𝑔) +
𝐻2 𝑂(𝑔)
Write and balance a chemical reaction with the following situation:
Solid calcium carbide 𝐶𝑎𝐶2 reacts with water to form an aqueous solution of calcium
hydroxide and acetylene gas 𝐶2 𝐻2 .
When hydrogen sulfide gas is passed over solid hot iron (III) hydroxide, the resultant reaction
produces solid iron (III) sulfide and gaseous water.
Find the Empirical Formula for an unknown compound with 40.92% C, 4.58% H, and 54.50% O
by mass.
How many moles of carbon are there in 384 grams of butane?
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How many grams of of chlorine are in 4 moles of Fe(ClO4)_2
The molecular formula of aspartame is 𝐶14 𝐻18 𝑁2 𝑂5. What is the molar mass of aspartame? How
many moles of aspartame are present in 1.00 mg of aspartame? How many molecules of
aspartame are present in 1.00 mg of aspartame. How many hydrogen atoms are present in 1.00
mg of aspartame?