MIDTERM EXAM

Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride. Which of the choices below is the correct chemical and balance equation.

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Copper and sulfuric acid react to form copper (II) sulfate and water and sulfur dioxide. Which of the choices below is the correct chemical and balance equation?

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Which compound is a variable charge binary ionic compound?

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A decomposition chemical reaction can be compared to

• Two dancing couples switching partners
• Eight couples doing a square dance
• Dancing couple breaking up
• Two single people joining for dance

The molar mass for copper (II) sulfate pentahydrate is

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A synthesis chemical reaction can be compared to

• A single person cutting in on a dancing couple
• A dancing couple breaking up after the music ends
• Two dancing couple switching partners
• Two single people joining for dance

Which one of the following polyatomic ions does not contain oxygen?

• Sulfate
• Ammonium
• Hydroxide
• Nitrate

What is the chemical formula for carbon dioxide?

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How many atoms are in 0.075 mol of titanium?

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