Specific Heat Problems
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Last updated over 1 year ago
10 questions
5
For q= mcΔT : identify each variables by name.
For q= mcΔT : identify each variables by name.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
c | arrow_right_alt | heat |
q | arrow_right_alt | mass |
m | arrow_right_alt | specific heat |
ΔT | arrow_right_alt | change in temperature |
5
For q= mcΔT : identify the units associated with each variable.
For q= mcΔT : identify the units associated with each variable.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
q | arrow_right_alt | J |
m | arrow_right_alt | g |
c | arrow_right_alt | J/(g°C) |
ΔT | arrow_right_alt | °C |
5
Heat is not the same as temperature, yet they are related. Explain how they differ from each other.
Heat is not the same as temperature, yet they are related. Explain how they differ from each other.
5
Gold has a specific heat of 0.129 J/(g×°C). How many joules of heat energy are required to raise the temperature of 15 grams of gold from 22 °C to 85°C? Round to the nearest whole number
Gold has a specific heat of 0.129 J/(g×°C). How many joules of heat energy are required to raise the temperature of 15 grams of gold from 22 °C to 85°C? Round to the nearest whole number
5
An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 °C. What is the specific heat of the substance? Round to the nearest hundrendth
An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 °C. What is the specific heat of the substance? Round to the nearest hundrendth
5
If the temperature of 34.4 g of ethanol increases from 25 °C to 78.8 °C, how much heat has been absorbed by the ethanol? The specific heat of ethanol is 2.44 J/(g×°C). Round to the nearest whole number.
If the temperature of 34.4 g of ethanol increases from 25 °C to 78.8 °C, how much heat has been absorbed by the ethanol? The specific heat of ethanol is 2.44 J/(g×°C). Round to the nearest whole number.
5
Graphite has a specific heat of 0.709 J/(g×°C). If a 25 gram piece of graphite is cooled from 35 °C to 18 °C, how much energy was lost by the graphite?. Round to the nearest whole number
Graphite has a specific heat of 0.709 J/(g×°C). If a 25 gram piece of graphite is cooled from 35 °C to 18 °C, how much energy was lost by the graphite?. Round to the nearest whole number
5
Copper has a specific heat of 0.385 J/(g×°C). A piece of copper absorbs 5000 J of energy and undergoes a temperature change from 100 °C to 200 °C. What is the mass of the piece of copper? Round to the nearest tenth.
Copper has a specific heat of 0.385 J/(g×°C). A piece of copper absorbs 5000 J of energy and undergoes a temperature change from 100 °C to 200 °C. What is the mass of the piece of copper? Round to the nearest tenth.
5
45 grams of an unknown substance undergoes a temperature increase of 38 °C after absorbing 4172.4
Joules. What is the specific heat of the substance? Round to the nearest hundredth
45 grams of an unknown substance undergoes a temperature increase of 38 °C after absorbing 4172.4
Joules. What is the specific heat of the substance? Round to the nearest hundredth
5
A 40 g sample of water absorbs 500 Joules of energy. How much did the water temperature change? Thespecific heat of water (liquid) is 4.18 J/(g×°C). Round to the nearest whole whole number
A 40 g sample of water absorbs 500 Joules of energy. How much did the water temperature change? The
specific heat of water (liquid) is 4.18 J/(g×°C). Round to the nearest whole whole number