WorksheetsHeat & Specific Heat
Total questions: 14
Worksheet time: 42mins
What is the formula to calculate heat energy required to raise the temperature of any substance?
Q = m C ∆T
Q = m ∆T
Q = C m T
Q = m C T
Calculate the heat absorbed by 105.0 grams of water when it is heated from 20.0°C to 99.0°C. Specific heat of water is 4.18 J/g•°C.
30,000 J
34,700 J
40,000 J
25,500 J
What is the specific heat of liquid water?
2.09 J/g°C
4.18 J/g°C
1.00 J/g°C
3.50 J/g°C
What is the relationship between temperature and thermal energy?
As temperature increases, thermal energy decreases.
As temperature increases, thermal energy remains constant.
As temperature increases, thermal energy increases.
There is no relationship between temperature and thermal energy.
If 100. Joules of heat is added to 20. grams of water, what is the temperature change?
0.5 °C
1.0 °C
1.2 °C
2.0 °C
What is the unit of specific heat?
J/g°C
cal/g°C
kJ/kg·K
J/kg·°F
What does a high specific heat mean?
It requires more energy to change temperature.
It changes temperature quickly with little energy.
It has a low capacity for storing heat.
It can easily evaporate at low temperatures.
What is thermal energy?
The energy stored in chemical bonds of a substance.
The total kinetic energy of particles in a substance.
The energy associated with the motion of an object.
The energy released during a phase change.
What does '∆T' represent in the formula Q = m C ∆T?
The total heat energy in joules.
The mass of the substance in kilograms.
The change in temperature in degrees Celsius.
The specific heat capacity in joules per kilogram per degree Celsius.
What does 'm' represent in the formula Q = m C ∆T?
The volume of the substance in liters.
The mass of the substance in grams.
The temperature change in Celsius.
The specific heat capacity of the substance.
How do you calculate the heat energy lost by a substance?
Q = m C ∆T (where ∆T is negative for cooling)
Q = m ∆T
Q = C m ∆T
Q = m C ∆T (where ∆T is positive for heating)
How does mass affect thermal energy?
More mass means more thermal energy at the same temperature.
More mass means less thermal energy at the same temperature.
Mass has no effect on thermal energy.
More mass means thermal energy is distributed evenly.
What does 'C' represent in the formula Q = m C ∆T?
The speed of light in a vacuum
The specific heat capacity of the substance in J/g°C.
The concentration of a solution in mol/L
The capacitance of a capacitor in Farads
What is the significance of specific heat in cooking?
It determines how quickly a substance heats up or cools down.
It affects the flavor of the food being cooked.
It indicates the nutritional value of the ingredients.
It determines the color of the food when cooked.
