Worksheets55) Burning Food Lab Quiz
Total questions: 10
Worksheet time: 5mins
ΔH = m c ΔT What does the m represent?
mass of the substance burned
mass of the water that is being heated
mass of aluminum
the change in mass
ΔH = m c ΔT In the equation, what does the c represent?
specific heat of the substance burned
specific of the water that is being heated
specific heat of aluminum
the change in specific heat
ΔH = m c ΔT In the equation what does the ΔT represent?
temperature change of the substance burned
temperature change of the water that is being heated
temperature change of aluminum
temperature change in the specific heat
ΔH = m c ΔT 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?
4.3
22.0
26.3
75.0
ΔH = m c ΔT 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?
4.3
22.0
26.3
75.0
ΔH = m c ΔT 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?
1.0
22.0
26.3
75.0
ΔH = m c ΔT In the equation, what does ΔH represent?
the specific heat of water
the change in heat
heat of the aluminum
the specific heat of the can
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?
All the heat energy was transferred to the water in the can.
Some of the heat energy was transferred to the air in the room.
All the heat energy was transferred to the paper clip holding the marshmallow.
All the heat energy was transferred to the air in the room.
ΔH = m c ΔT 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?
4.3
4.184
785,000
0.785
ΔH = m c ΔT 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?
323
1,650
1,973
4.3
