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When heat is supplied to a body,
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
The specific latent heat of fusion of ice is 3.4 × 105 J kg–1. Explain what this means.
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
Specific heat capacity is defined as
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
The increase in temperature when heat is supplied to a body can be explained by
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
Which of the following explains the increase in temperature when heat is supplied to a body?
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
Why does a pure substance melt at a constant temperature?
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
A liquid is heated till it boils. The boiling point of the liquid is 80°C. Which of the following statements describe what happens if the liquid continues to be heated strongly as it boils?
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
The rate of evaporation is affected by several factors. Which statement describes one of the factors appropriately?
The heat absorbed during melting is used to break the bonds between the particles.
The amount of energy needed to melt a unit mass of ice is 3.4 × 105 J.
an increase in the average kinetic energy of the particles in the body.
The temperature of the liquid remains at 80°C, as there is no change in temperature during boiling.
the amount of energy required to raise the temperature of a unit mass of a substance by 1°C.
A higher altitude (height above sea level) increases the rate of evaporation.
An increase in the average kinetic energy of the particles in the body.
there is an increase in the internal energy of the body.
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