What does the specific heat of a substance indicate?

What does the specific heat of a substance indicate?

Specific heat is defined by the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius (°C). Water has a high specific heat, meaning it takes more energy to increase the temperature of water compared to other substances.

What does the specific heat of a substance represent Brainly?

The specific heat (also called specific heat capacity) is the amount of heat required to change a unit mass (or unit quantity, such as mole) of a substance by one degree in temperature.

Why do we need to determine the specific heat of a substance?

Explanation: Specific heat capacity is a measure of the amount of heat energy required to change the temperature of 1 kg of a material by 1 K. Hence it is important as it will give an indication of how much energy will be required to heat or cool an object of a given mass by a given amount.

What property of a substance is its specific heat capacity describe?

Specific heat capacity is a measure of the amount of heat necessary to raise the temperature of one gram of a pure substance by one degree K.

Why the specific heat is different for different substances?

Each substance will have a different mass, so when the amount of heat and the change in temperature are held constant, the only variable is the mass. Therefore, because mass is the only variable, so because substances have different masses, they will have different specific heats.

How is heat calculated for a substance?

The specific heat capacity is the heat or energy required to change one unit mass of a substance of a constant volume by 1 °C. The formula is Cv = Q / (ΔT ⨉ m) .

What are the applications of specific heat?

Uses of specific heat in daily life Substances having a small specific heat capacity, are very useful as material in cooking instruments such as frying pans, pots, kettles and so on, because, when small amount of heat is applied it will heat quickly. Water used in fire fighting.

How do you find the specific heat of a substance?

What is heat capacity of a substance?

Heat capacity, ratio of heat absorbed by a material to the temperature change. It is usually expressed as calories per degree in terms of the actual amount of material being considered, most commonly a mole (the molecular weight in grams). The heat capacity in calories per gram is called specific heat.

What are the three main types of heat transfer?

Heat can be transferred in three ways: by conduction, by convection, and by radiation.

• Conduction is the transfer of energy from one molecule to another by direct contact.
• Convection is the movement of heat by a fluid such as water or air.
• Radiation is the transfer of heat by electromagnetic waves.

What is the specific heat of air?

1.00 kJ/kg.K
Specific Heat Capacities of Air. The nominal values used for air at 300 K are CP = 1.00 kJ/kg. K, Cv = 0.718 kJ/kg.

What is the difference between specific heat capacity and heat capacity?

Heat capacity is the ratio of the amount of heat energy transferred to an object to the resulting increase in its temperature. Specific heat capacity is a measure of the amount of heat necessary to raise the temperature of one gram of a pure substance by one degree K.