Specific heat capacity

What is the specific heat capacity of water?

• 2.09 J/g°C

• 4.18 J/g°C

• 1.00 J/g°C

• 3.50 J/g°C

What is thermal energy?

• The energy produced by chemical reactions in a substance.

• The energy associated with the motion of particles in a substance.

• The total energy of all the particles in a substance.

• The energy stored in the bonds of molecules.

What is specific heat capacity?

• The amount of thermal energy required to increase the temperature of 1 kg of a material by 1°C.

• The total energy contained in a substance at a given temperature.

• The energy required to change the state of a substance without changing its temperature.

• The energy needed to raise the temperature of 1 liter of water by 1°C.

Why is specific heat capacity important in cooking?

• It affects how quickly food heats up and cooks.

• It determines the nutritional value of the food.

• It influences the color of the food when cooked.

• It affects the taste of the food after cooking.

What is the unit of specific heat capacity?

• Joules per kilogram per degree Celsius (J/kg°C)

• Calories per gram per degree Celsius (cal/g°C)

• Watts per meter per degree Celsius (W/m°C)

• Joules per mole per Kelvin (J/mol·K)

Which material has the highest specific heat capacity: water, copper, or iron?

• Water

• Copper

• Iron

• Aluminum

What is conduction?

• The transfer of heat through direct contact between materials.

• The movement of heat through fluids due to density differences.

• The process of heat transfer through electromagnetic waves.

• The transfer of heat through the movement of particles in a gas.

What does a high specific heat capacity indicate about a material?

• It can absorb a lot of heat without a significant change in temperature.

• It heats up quickly when energy is added.

• It has a low thermal conductivity.

• It can easily change its state from solid to liquid.

What is the measurement of the average kinetic energy of a substance?

• Temperature

• Pressure

• Volume

• Density

What happens to the temperature of a substance when it absorbs heat?

• The temperature decreases.

• The temperature remains the same.

• The temperature increases.

• The temperature fluctuates.