Test - Chemical Reactions

Question 1

3. How would you find out how many nitrate ions are in 2Ca(NO3)2?

Answer 1

Is it a polyatomic ion? Yes. What is its subscript? 2. What is its coefficient? 2. Two times 2 is 4. NB 17.3-17.5

Question 2

11. How would you find how many nitrate atoms are represented in 2Ca(NO3)2?

Answer 2

Is it a polyatomic ion? Yes. What is its subscript? 2. What is is its coefficient? 2. 2 times 2 is 4. NB 17.3-17.5

Question 3

24. How would you find out how many total atoms are represented in 2Ca(NO3)2?

Answer 3

Write out Ca(NO3)2 twice. There are 2 Ca in total, 4 N is total, 12 O in total. If you add them together then it equals 18. NB 17.3-17.5

Question 4

32. A bottle of hydrogen peroxide that eventually turns into a bottle of water and oxygen gas is an example of a

Answer 4

Decomposition NB 17.12-17.13