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55) Burning Food Lab Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

  ΔH = m c ΔT \ \Delta H\ =\ m\ c\ \Delta T\    What does the m represent?

a)

mass of the substance burned

b)

mass of the water that is being heated

c)

mass of aluminum 

d)

the change in mass

2.

 ΔH = m c ΔT \Delta H\ =\ m\ c\ \Delta T\   In the equation, what does the c represent?

a)

specific heat of the substance burned

b)

specific of the water that is being heated

c)

specific heat of aluminum 

d)

the change in specific heat

3.

 ΔH = m c ΔT\Delta H\ =\ m\ c\ \Delta T  In the equation what does the  ΔT\Delta T  represent? 

a)

temperature change of the substance burned

b)

temperature change of the water that is being heated

c)

temperature change of aluminum 

d)

temperature change in the specific heat

4.

 ΔH = m c ΔT\Delta H\ =\ m\ c\ \Delta T  In lab, a student takes a Takis snack chip and burns it. The burning food causes 75.0 mL of water to rise from 22.0 °C to 26.3 °C.  What value should be used for the change in temperature?

a)

4.3

b)

22.0

c)

26.3

d)

75.0

5.

 ΔH = m c ΔT\Delta H\ =\ m\ c\ \Delta T  In lab, a student takes a Takis snack chip and burns it. The burning food causes 75.0 mL of water to rise from 22.0 °C to 26.3 °C.  What value should be used for the mass?

a)

4.3

b)

22.0

c)

26.3

d)

75.0

6.

 ΔH = m c ΔT\Delta H\ =\ m\ c\ \Delta T  In lab, a student takes a Takis snack chip and burns it. The burning food causes 75.0 mL of water to rise from 22.0 °C to 26.3 °C.  What value should be used for the specific heat if the answer needs to be in calories?

a)

1.0

b)

22.0

c)

26.3

d)

75.0

7.

 ΔH = m c ΔT \Delta H\ =\ m\ c\ \Delta T\   In the equation, what does  ΔH\Delta H  represent?

a)

the specific heat of water

b)

the change in heat

c)

heat of the aluminum

d)

the specific heat of the can

8.

Considering the Law of Conservation of Energy, what assumption did we make during the lab that allowed us to calculate the energy from the burning food?

a)

All the heat energy was transferred to the water in the can.

b)

Some of the heat energy was transferred to the air in the room.

c)

All the heat energy was transferred to the paper clip holding the marshmallow.

d)

All the heat energy was transferred to the air in the room.

9.

 ΔH = m c ΔT\Delta H\ =\ m\ c\ \Delta T  In lab, a student takes a Takis snack chip and burns it. The value for energy release is 785 calories. How many Calories were released?

a)

4.3

b)

4.184

c)

785,000

d)

0.785

10.

 ΔH = m c ΔT\Delta H\ =\ m\ c\ \Delta T  In lab, a student takes a Takis snack chip and burns it. The burning food causes 75.0 mL of water to rise from 22.0 °C to 26.3 °C.  How many calories were released?

a)

323

b)

1,650

c)

1,973

d)

4.3