EXERCISES, LESSON 2
INSTRUCTIONS. Write the word, words, symbols, or numbers that properly completes
the statement in the space provided or mark the correct word/phrase from those given.
After you complete the exercises, turn to Solutions to Exercises and check your
answers. Reread the material referenced for each exercise answered incorrectly.
We are given the following chemical equation:
NaOH + HCl ---> NaCl + H2O
It means that the base s ________ h_________ reacts with the acid
h___________ a__________ to yield the salt s ____________ c____________
and the compound ___________ . To form one molecule of sodium chloride and
one molecule of water, we need (one) (two) molecule(s) of sodium hydroxide and
(one) (two) molecule(s) of hydrochloric acid.
We are given the following chemical reaction:
AgNO3 + KCl ---> KNO3 + AgCl ↓
This means that s___________ n__________ and p____________
c__________ react to yield p____________ n__________ and s____________
c____________ . The arrow next to AgCl means that AgCl p_______________ s.
3. Calcium hydroxide and nitric acid react to yield calcium nitrate and water. The
formula for calcium hydroxide is ______. The formula for nitric acid is ______.
The formula for calcium nitrate is ________. The formula for water is ________.
Before balancing, the equation for this reaction is _________________________,
In the columns below are listed atoms and radicals of the reactants and products.
Indicate the number in the formula of each compound. Consider water to be HOH.