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Ch 11 Chemical Reaction Section 1 & 2

Matching (Value 9)
 
 
Match each item with the correct statement below.
a.
activity series of metals
c.
combustion reaction
b.
single-replacement reaction
d.
decomposition reaction
 

 1. 

a list of metals in order of decreasing reactivity
 

 2. 

a reaction in which the atoms of one element replace the atoms of a second element in a compound
 

 3. 

a reaction in which oxygen reacts with another substance, often producing heat or light
 

 4. 

a reaction in which a single compound is broken down into simpler substances
 
 
Match each item with the correct statement below.
a.
product
d.
balanced equation
b.
reactant
e.
skeleton equation
c.
chemical equation
 

 5. 

a chemical equation that does not indicate relative amounts of reactants and products
 

 6. 

a starting substance in a chemical reaction
 

 7. 

an equation in which each side has the same number of atoms of each element
 

 8. 

a new substance formed in a chemical reaction
 

 9. 

a concise representation of a chemical reaction
 

Multiple Choice (Value 31)
Identify the choice that best completes the statement or answers the question.
 

 10. 

Which of the following statements is NOT correct?
a.
The only way to determine the products of a reaction is to carry out the reaction.
b.
A single reactant is the identifying characteristic of a decomposition reaction.
c.
Complete combustion has occurred when all the carbon in the product is in the form of carbon dioxide.
d.
All chemical reactions can be classified as one of five general types.
 

 11. 

Which of the following statements is true about single-replacement reactions?
a.
Any metal replaces any other metal.
c.
Two reactants produce two products.
b.
They involve a single product.
d.
They are restricted to metals.
 

 12. 

Chemical equations ____.
a.
show how to write chemical formulas
b.
describe chemical reactions
c.
give directions for naming chemical compounds
d.
describe only biological changes
 

 13. 

Chemical reactions ____.
a.
only occur outside living organisms
c.
create and destroy atoms
b.
produce new substances
d.
occur only in living organisms
 

 14. 

The products of a combustion reaction do NOT include ____.
a.
hydrogen
c.
water
b.
carbon dioxide
d.
carbon monoxide
 

 15. 

In a double-replacement reaction, the ____.
a.
reactants are two elements
b.
products are always molecular
c.
products are a new element and a new compound
d.
reactants are two ionic compounds
 

 16. 

A catalyst is ____.
a.
the product of a combustion reaction
b.
a solid product of a reaction
c.
one of the reactants in single-replacement reactions
d.
not used up in a reaction
 

 17. 

The product of a combination reaction is Ba(OH)mc017-1.jpg. If one of the reactants is Hmc017-2.jpgO, what is the other reactant?
a.
BaO
c.
BaH
b.
BaOmc017-3.jpg
d.
Bamc017-4.jpgO
 

 18. 

The equation 2Cmc018-1.jpgHmc018-2.jpgOH mc018-3.jpg 9Omc018-4.jpg mc018-5.jpg 6COmc018-6.jpg mc018-7.jpg 8Hmc018-8.jpgO is an example of which type of reaction?
a.
single-replacement reaction
c.
combustion reaction
b.
double-replacement reaction
d.
decomposition reaction
 

 19. 

A double-replacement reaction takes place when aqueous cobalt(III) chloride reacts with aqueous lithium hydroxide. One of the products of this reaction is ____.
a.
Co(OH)mc019-1.jpg
c.
LiClmc019-3.jpg
b.
LiComc019-2.jpg
d.
Co(OH)mc019-4.jpg
 

 20. 

If you rewrite the following word equation as a balanced chemical equation, what will the coefficient and symbol for fluorine be?
nitrogen trifluoride mc020-1.jpg nitrogen mc020-2.jpg fluorine
a.
6F
c.
3Fmc020-4.jpg
b.
Fmc020-3.jpg
d.
6Fmc020-5.jpg
 

 21. 

What are the correct formulas and coefficients for the products of the following double-replacement reaction?
RbOH mc021-1.jpg Hmc021-2.jpgPOmc021-3.jpg mc021-4.jpg
a.
Rbmc021-5.jpgPOmc021-6.jpg mc021-7.jpg 3Hmc021-8.jpgO
c.
RbPOmc021-12.jpg mc021-13.jpg 2Hmc021-14.jpgO
b.
Hmc021-9.jpgRb mc021-10.jpg POmc021-11.jpgOH
d.
Rb(POmc021-15.jpg)mc021-16.jpg mc021-17.jpg Hmc021-18.jpgO
 

 22. 

The reaction 2Fe mc022-1.jpg 3Clmc022-2.jpg mc022-3.jpg 2FeClmc022-4.jpg is an example of which type of reaction?
a.
combination reaction
c.
decomposition reaction
b.
combustion reaction
d.
single-replacement reaction
 

 23. 

In a double-replacement reaction, ____.
a.
one of the reactants is often water
b.
the reactants are usually a metal and a nonmetal
c.
energy in the form of heat or light is often produced
d.
the reactants are generally two ionic compounds in aqueous solution
 

 24. 

Symbols used in equations, together with the explanations of the symbols, are shown below. Which set is correct?
a.
(g), grams
c.
(l), liters
b.
(aq), dissolved in water
d.
(s), solid product
 

 25. 

Which of the following statements is NOT true about the decomposition of a simple binary compound?
a.
The reactant could be an ionic or a molecular compound.
b.
The reactant is a single substance.
c.
The products are the constituent elements.
d.
The products are unpredictable.
 

 26. 

Which of the following statements is NOT true about what happens in all chemical reactions?
a.
New atoms are formed as products.
b.
The bonds of the reactants are broken and new bonds of the products are formed.
c.
The starting substances are called reactants.
d.
The ways in which atoms are joined together are changed.
 

 27. 

Which of the following statements is NOT true about double-replacement reactions?
a.
The product may be a molecular compound.
b.
The product may precipitate from solution.
c.
The product may be a gas.
d.
The reactant may be a solid metal.
 

 28. 

Everyday equations describe ____.
a.
biological chemistry
c.
everyday processes
b.
chemical reactions
d.
thermonuclear reactions
 

 29. 

What does the symbol mc029-1.jpg in a chemical equation mean?
a.
Heat is supplied to the reaction.
c.
A catalyst is needed.
b.
yields
d.
precipitate
 

 30. 

Which of the following is the correctly balanced equation for the incomplete combustion of heptene, Cmc030-1.jpgHmc030-2.jpg?
a.
Cmc030-3.jpgHmc030-4.jpg mc030-5.jpg 14O mc030-6.jpg 7CO mc030-7.jpg 7Hmc030-8.jpgO
c.
Cmc030-18.jpgHmc030-19.jpg mc030-20.jpg 7Omc030-21.jpg mc030-22.jpg 7CO mc030-23.jpg 7Hmc030-24.jpgO
b.
Cmc030-9.jpgHmc030-10.jpg mc030-11.jpg Omc030-12.jpg mc030-13.jpg Cmc030-14.jpgOmc030-15.jpg mc030-16.jpg 7Hmc030-17.jpg
d.
2Cmc030-25.jpgHmc030-26.jpg mc030-27.jpg 21Omc030-28.jpg mc030-29.jpg 14COmc030-30.jpg mc030-31.jpg 14Hmc030-32.jpgO
 

 31. 

Which of the following is a balanced equation representing the decomposition of lead(IV) oxide?
a.
Pbmc031-1.jpgO mc031-2.jpg 2Pb mc031-3.jpg O
c.
PbO mc031-8.jpg Pb mc031-9.jpg Omc031-10.jpg
b.
PbOmc031-4.jpg mc031-5.jpg Pb mc031-6.jpg Omc031-7.jpg
d.
PbOmc031-11.jpg mc031-12.jpg Pb mc031-13.jpg 2O
 

 32. 

What are the missing coefficients for the skeleton equation below?
Almc032-1.jpg(SOmc032-2.jpg)mc032-3.jpg(aq) mc032-4.jpg KOH(aq) ® Al(OH)mc032-5.jpg(aq) mc032-6.jpg Kmc032-7.jpgSOmc032-8.jpg(aq)
a.
4, 6, 2, 3
c.
1, 6, 2, 3
b.
1, 3, 2, 3
d.
2, 12, 4, 6
 

Short Answer (Value 8)
 

 33. 

Complete and balance the following equation.
Al sa033-1.jpg Clsa033-2.jpg sa033-3.jpg
 

 34. 

Complete and balance the following equation.
CHsa034-1.jpg sa034-2.jpg Osa034-3.jpg sa034-4.jpg COsa034-5.jpg sa034-6.jpg
 

 35. 

Balance the following equation.
Ausa035-1.jpgOsa035-2.jpg sa035-3.jpg Au sa035-4.jpg Osa035-5.jpg
 

 36. 

Complete and balance the following equation.
Fesa036-1.jpg(SOsa036-2.jpg)sa036-3.jpg sa036-4.jpg Ba(OH)sa036-5.jpg sa036-6.jpg
 



 
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