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Homework exercises on Chemical Formulas and Equations for a Physical Science course. Also refer to Chemistry, molecules, compounds, elements, ions, education, distance learning, Ron Kurtus, School for Champions. Copyright © Restrictions

Chemical Formulas and Equations - Homework

INSTRUCTIONS: Print out a copy of this homework assignment, answer the questions correctly, and send the homework to your instructor.

YOUR NAME:

1. What is the chemical formula for table salt?

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2. What is the formula for water?

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3. If a formula has 3 atoms of oxygen in a single molecule, how would you designate that?

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4. How would you write 3 molecules of the hydrogen molecule (H2) ?

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5. Write the chemical equation for combining a hydrogen molecule (H2 ) with a chlorine molecule (Cl2). The result is hydrochloric acid.

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6. The result of the chemical equation 2H2 + 2 C + 3O2 is xH2O + yCO2. Determine the values of x and y (the number of each molecule).

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