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CHEMISTRY FUCN TEST

Total questions: 83

Worksheet time: 14mins

Name
Class
Date
1.
Heat is the _______ of energy.
a)
Transfer
b)
Measure
2.
Temperature is the ________ of energy.
a)
Transfer
b)
Measure
3.
Which choice below deals with how fast the particles of an object move?
a)
Heat
b)
Temperature
4.
The molecules of a liquid vs. a solid....
a)
Move slower in a liquid.
b)
Move slower in a solid.
5.
The molecules of a gas vs. a solid....
a)
Move faster in a gas.
b)
Move faster in a solid.
6.
The molecules of a liquid vs. a gas...
a)
Move slower in a gas.
b)
Move slower in a liquid.
7.
If you put a burger on the grill...
a)
It's particles will speed up.
b)
It's particles will slow down.
8.

100 °C = _____ K

a)

173 K

b)

373K

c)

273 K

d)

0 K

9.

Convert: 253 °C to K:

a)

526 K

b)

625 K

c)

0 K

d)

186 K

10.

Convert: 0 K to °C

a)

-273 °C

b)

-273 K

c)

273 °C

d)

273 K

11.

Convert: 186.5 K to °C 

a)

-86.4 °C

b)

-50 °C

c)

-68.4 °C

d)

180 K

12.

Convert: -45.9 °C to K:

a)

227.1 K

b)

400 K

c)

0 K

13.

Convert: 175 K to °C:

a)

-98 °C

b)

79 K

c)

230.9 °C

d)

-48.2 °C

14.

As the temperature of a substance rises, the average kinetic energy of the particles making up the substance

a)

increases

b)

decreases

c)

remains the same

15.

A liquid's freezing point is -38°C and its boiling point is 357°C. How many Kelvins are there between the boiling point and the freezing point of this liquid?

a)

319

b)

357

c)

395

d)

592

16.

Which temperature is equal to 20 K?

a)

-253°C

b)

-293°C

c)

253°C

d)

293°C

17.

Absolute zero

a)

indicates the complete absence of heat/energy

b)

is the coldest possible temperature

c)

is when all molecular motion stops

d)

All of the above

18.
What is the formula for Boyle's Law?
a)
P1V1=P2V2
b)
P1V1/P2V2
c)
P1V2=P2V1
d)
P1/V1=P2/V2
19.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
20.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
21.
What type of relationship to pressure and volume have?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
22.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
23.
The relationship of which two variables are compared in Boyle's Law?
a)
pressure & volume
b)
volume & temperature
c)
temperature & pressure
d)
volume & moles (amount of gas)
24.
What happened to the volume between the two steps?
a)
volume increased
b)
volume decreased
c)
volume stayed the same
25.
A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?
a)
12.9 L
b)
0.72 L
c)
7.2 L
d)
3.44 L
26.
A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?
a)
2 atm
b)
12 atm
c)
10 atm
d)
0.5 atm
27.
Boyle's law : When _______ is held constant, the pressure and volume of a gas are ________  proportional
a)
temperature,  equally
b)
mass, inversely
c)
temperature, inversely
d)
mass, equally
28.
You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
29.
How much is 275 kPa in atm?
a)
2.71 atm
b)
27900 atm
c)
0.362 atm
d)
174 atm
30.
Convert 45°C into Kelvin
a)
320 K
b)
1200 K
c)
-228 K
d)
228 K
31.
Convert 88°C into Kelvin
a)
361 K
b)
-185 K
c)
185 K
d)
325 K
32.
If volume increases, pressure __________
Hint: Boyle's Law
a)
Increases
b)
Decreases
c)
Stays the same
d)
Is variable
33.
Convert 645 kPa into atm
1 atm=101.325 kPa
a)
2.54
b)
3.76
c)
6.37
d)
8.42
34.

The molar volume of a gas at STP occupies _____________.

a)

22.4 L

b)

0˚C

c)

1 kiloPascal

d)

12 grams

35.

In a double replacement, ____________________

a)

The reactants are usually a metal and a nonmetal

b)

One of the reactants is often water

c)

The reactants are generally 2 ionic compounds in aqueous solutions

d)

Energy in the form of light or heat is often produced

36.

If 2.00 L of a gas in a container at room temperature exerts a pressure of 4.00 atm. If the pressure doubles and the temperature remains the same, the volume would become ________.

a)

16.0 L

b)

2.00 L

c)

4.00 L

d)

1.00 L

37.

If 7.00 grams of nitrogen gas are contained in a 5.00 L flask at 4.62 kPa. What is the temperature of the gas?

a)

11.1 K

b)

1.00 K

c)

4.12 K

d)

9.07 K

38.

Which of the following statements is NOT true about what happens in all chemical reactions?

a)

The ways in which atoms are joined together change

b)

New atoms are formed as products

c)

The starting substances are called reactants

d)

The bonds of reactants are broken and new bonds of products are formed

39.

Chemical equations must be balanced to satisfy ____.

a)

The law of definite proportions

b)

The law of multiple proportions

c)

The law of conservation of mass

d)

Avogadro's principle

40.

What are the coefficients that will balance the skeleton equation below?

AlCl3 + NaOH → Al(OH)3 + NaCl

a)

1,3,1,3

b)

3,1,3,1

c)

1,1,1,3

d)

1,3,3,1

41.

A sample of gas occupies 52.0 mL at 20℃ and 1.00 atm. What volume will it occupy at 40℃ and 1.00 atm?

a)

62.4 mL

b)

44.8 mL

c)

55.5 mL

d)

48.7 mL

42.

How many moles of aluminum are needed to react completely with 1.2 mol of FeO?

2Al(s) + 3FeO(s) → 3Fe(s) + Al2O3(s)

a)

1.2 mol

b)

0.8 mol

c)

1.6 mol

d)

2.4 mol

43.

What is the name of H2SO4?

a)

hyposulfuric acid

b)

hydrosulfuric acid

c)

sulfuric acid

d)

sulfurous acid

44.

Which of the following shows both the correct formula and correct name of an acid?

a)

HClO2, chloric acid

b)

HNO2, hydronitrous acid

c)

H3PO4, phosphoric acid

d)

HI, iodic acid

45.

When an equation is used to calculate the amount of product that could form during a reaction, then the value obtained is called the ____.

a)

Actual yield

b)

Percent yield

c)

Minimum yield

d)

Theoretical yield

46.

The equation 2C3H7OH + 9O2 → 6CO2 + 8H2O is an example of which type of reaction?

a)

Combustion reaction

b)

Single replacement reaction

c)

Double replacement reaction

d)

Decomposition reaction

47.

The table shows the composition of the gases that make up dry air. What is the partial pressure of the “other” gases?

a)

0.99 kPa

b)

2.55 kPa

c)

3.01 kPa

d)

4.49 kPa

48.

Why does a collision with an airbag (a gas-filled bag) hurt less than a collision with a steering wheel (a solid)?

a)

Particles of a gas have less mass than particles of a solid

b)

Particles of a gas are smaller than particles of a solid

c)

Gases are more chemically reactive than solids

d)

Particles of a gas are spread apart and compressible, while particles of a solid are held firmly in one position

49.

A process that absorbs heat is a(n) _________.

a)

Exothermic process

b)

Polythermic process

c)

Endothermic process

d)

Ectothermic process

50.

The specific heat of ethanol is 2.44J/g˚C. How many kilojoules of energy are required to heat 50.0g of ethanol from -20.0˚C to 68.0˚C?

a)

10.7 kJ

b)

8.30 kJ

c)

2.44 kJ

d)

1.22 kJ

51.

Which is an exothermic process?

a)

Ice melting

b)

Water boiling

c)

Water evaporating

d)

Water vapor condensing

52.

Which is the most likely ∆H for an endothermic reaction?

a)

0 kJ

b)

-16 kJ

c)

+16 kJ

d)

There is no such thing as an endothermic reaction

53.

The reaction shown is an ________________ reaction because it has a _____________ enthalpy.

a)

Exothermic; negative

b)

Exothermic; positive

c)

Endothermic; negative

d)

Endothermic; positive

54.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 protons

b)

40 protons

c)

22 protons

d)

21.9 protons

55.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 neutrons

b)

40 neutrons

c)

22 neutrons

d)

21.9 neutrons

56.

Look at this picture of Argon off the periodic table. Which of the following is true for this element when it is neutral?

a)

18 electrons

b)

40 electrons

c)

22 electrons

d)

21.9 electrons

57.

Which part of an atom is used to identify it?

a)

number of protons

b)

number of neutrons

c)

number of electrons

58.

When you two atoms with different masses, Carbon-12 and Carbon-13 for example, what type of atom do you have?

a)

Neutral atom

b)

Ion

c)

Isotope

59.

When you two isotopes of an atom, Carbon-12 and Carbon-13 for example, what has changed in the atomic structure?

a)

Number of protons

b)

Number of neutrons

c)

Number of electrons

60.

When you have an ion of an atom, O-2 for example, what has changed in the atomic structure?

a)

Number of protons

b)

Number of neutrons

c)

Number of electrons

61.

When you have a negative ion of an atom, O-2 for example, do you have a higher number of protons or electrons?

a)

Number of protons

b)

Number of electrons

62.

When you have a positive ion of an atom, Na+1 for example, do you have a higher number of protons or electrons?

a)

Number of protons

b)

Number of electrons

63.

Which of the following is correct?

a)

Protons are positive, electrons are negative, neutrons are neutral.

b)

Protons are neutral, electrons are negative, neutrons are positive

c)

Protons are negative, electrons are positive, neutrons are neutral

d)

Protons are positive, electrons are neutral, neutrons are negative

64.

Al+3

This is an...

a)

Neutral atom

b)

ion

c)

isotope

65.

Al+3

The +3 tell you the

a)

number of protons.

b)

atomic mass.

c)

charge of the atom.

66.

Iodine-131

The -131 tells you the

a)

number of protons.

b)

atomic mass.

c)

charge of the atom.

67.

The atomic mass of an atom is equal to

a)

number of protons plus number of neutrons

b)

number of protons plus number of electrons

c)

number of electrons plus the number of neutrons

68.

What two subatomic particles must be equal for an atom to have no charge (neutral).

a)

protons and neutrons

b)

protons and electrons

c)

electrons and neutrons

69.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
70.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
71.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
72.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
73.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
74.
Give the name of this compound...
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
75.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
76.
General formula of Alkane is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
77.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
78.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
79.
Which one of the following is saturated?
a)
water
b)
C4H8
c)
C4H10
d)
C5H8
80.
Which of the following generally undergoes substitution reactions
a)
alkanes
b)
alkenes
c)
Alkanes and alkenes 
d)
algebras
81.
At which pipe: M or N are hydrocarbons with lower boiling points collected?
a)
M
b)
N
82.

Hydrocarbons burning is an example of what type of chemical reaction ?

a)

neutralisation

b)

endothermic

c)

addition

d)

exothermic

83.

C5H12 + Br2 --> C5H11Br + HBr

This reaction is called____________________.

a)

Substitution

b)

Addition

c)

Cracking

d)

Combustion

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