WorksheetsChemistry-Matter and Energy Practice Quiz
Total questions: 10
Worksheet time: 20mins
A substance that is made of only one type of atom is
an element.
a compound.
a suspension.
a solution
The Law of Conservation of Energy tells us that
once energy is created, it must remain in the same form.
energy cannot be created or destroyed.
energy can be created, but not destroyed.
energy is transferred from objects with higher mass to objects with lower mass.
A 2.0 g sample of iron was heated from 0.00oC to 40.00oC. Is absorbed 35.2 J of heat. What is the specific heat of this piece of iron?
.44 J/gC
44J/gC
2.27/gC
.227J/gC
How much heat energy is absorbed by 100.0 g of gold when it is heated from 25.0oC to 35.0oC? The specific heat of gold is 0.13 J/gC.
1300J
.13J
1.3J
130J
The label on a bottle of water indicates the bottle contains 80 mL of water. How many liters of water are in the bottle?
800L
8L
80L
.080L
Which phase changes are endothermic processes?
Freezing and Condensing
Melting and Evaporation
Condensation and Freezing
Freezing and Melting
What is the volume of a sample of glycerol with a density of 1.2 g/mL and a mass of 120.0g?
100mL
144mL
.012mL
2.84mL
A sample of Au gives off 65.0 J of heat to its surroundings as it is cooled from 60oC to 10oC. The specific heat capacity (c) of Au is 0.129 J/gC. What is the mass of the Au sample?
419.25g
503 g
10.1g
105.39g
The length of the double bond between the oxygen atoms in a molecule of oxygen is 0.000000000121 m. Express this measurement in correct scientific notation.
1.21 X 10 10
1.21 X 10 -10
12.1 X 10 10
12.1 X 10 -10
How much energy is required to heat 10g of water from -10oC to 80oC?
3765.6J
300,600J
6893.2J
2928.8J
