Intro to Chem Ch. 7 Textbook
7. Write a chemical equation for magnesium metal combining with bromine liquid to give magnesium bromide solid.
Mg (s) + Br2 (l) --> MgBr2 (s)
16. a type of reaction in which two cations in different compounds exchange anions
m. double replacement reaction
22. an ionic compound produced by an acid-base reaction
t. salt
11. Write a chemical equation for the reaction of cadmium metal with aqueous cobalt (II) nitrate to produce aqueous cadmium nitrate and cobalt metal.
Cd (s) + Co(NO3)2 (aq)--> Cd(NO3)2 (aq) + Co (s)
15. Write a chemical equation for the reaction of nitric acid with aqueous ammonium hydroxide to give aqueous ammonium nitrate plus water.
HNO3(aq) + NH4OH (aq) --> NH4NO3 (aq) + H2O (l)
13. Write a chemical equation for the reaction of aqueous solutions of lithium iodide and silver nitrate to give silver iodide precipitate and aqueous lithium nitrate.
LiI (aq) + AgNO3 (aq) --> AgI (s) + LiNO3 (aq)
9. Write a chemical equation for solid zinc hydrogen carbonate decomposing to yield solid zinc carbonate, water, and carbon dioxide gas.
Zn(HCO3)2 (S) --> ZnCO3 (s) + CO2 (g) + H2O (g)
3. Which of the following is evidence for a chemical reaction? a) Mixing two aqueous solutions produces a precipitate b) Mixing two colorless solutions gives a blue solution
a) chemical reaction b) chemical reaction
5. Which of the following is evidence for a chemical reaction? a) Dropping sodium metal into water gives a yellow flame. b) Dropping iron metal into acid produces gas bubbles
a) chemical reaction b) chemical reaction
1. Which of the following is evidence for a chemical reaction? a) Heating copper in air produces a black solid b) Heating copper in a vacuum gives red-brown film.
a) chemical reaction b) physical change
21. Classify each reaction in Exercise 17 as one of the following: combination, decomposition, single replacement, double replacement, or neutralization.
a) combination b) decomposition c) single replacement d) double replacement e) neutralization
23. Classify each reaction in Exercise 19 as one of the following: combination, decomposition, single replacement, double replacement, or neutralization.
a) neutralization b) double replacement c) single replacement d) decomposition e) combination
20. a substance that releases hydrogen ions in water
a. acid
19. a metal that reacts with water at room temperature
b. active metal
18. a relative order of metals arranged by their ability to undergo a reaction
c. reactivity series
4. a substance dissolved in water
d) aqueous solution
21. a substance that releases hydroxide ions in water
e. base
9. a substance that speeds up a reaction without being permanently changed
f) catalyst
6. a representation using formulas and symbols to describe a chemical change
g) chemical equation
1. the process of undergoing a chemical change
h. chemical reaction
11. a digit in front of a chemical formula that helps to balance a chemical equation
i) coefficient
13. a type of reaction in which two substances produce a single compound
j. combination reaction
14. a type of reaction in which a single compound produces two or more substances
k. decomposition reaction
10. a particle composed of two nonmetal atoms
l. diatomic molecule
3. a chemical reaction that absorbs heat energy
n. endothermic reaction
2. a chemical reaction that releases heat energy
o. exothermic reaction
17. a type of reaction in which two cations in different compounds exchange anions
p. neutralization reaction
5. an insoluble solid substance produced from a reaction in aqueous solution
q) precipitate
8. a substance resulting from a chemical reaction
r) product
7. a substance undergoing a chemical reaction
s) reactant
15. a type of reaction in which a more active metal displaces a less active metal from a solution
u. single replacement reaction
12. a digit in a chemical formula that represents the number of atoms or ions appearing in the substance
v) subscript