Science
Heat
Easy
Question
What is the type of energy transfer due to a temperature difference?
- Atoms
- Heat
- Cells
- Molecules
The correct answer is: Heat
Related Questions to study
Physics
When an ideal gas 
heated under constant pressure, what percentage of given heat energy will be utilized in doing external work?
When an ideal gas heated under constant pressure, what percentage of given heat energy will be utilized in doing external work?
PhysicsHeat
Physics
twenty-two grams of CO2 at 27oC is mixed with 16 g of O2 at 37oC. The temperature of the mixture is about
twenty-two grams of CO2 at 27oC is mixed with 16 g of O2 at 37oC. The temperature of the mixture is about
PhysicsHeat
Physics
If R= universal gas constant, the amount of heat needed to raise the temperature of 2 mol of an ideal monatomic gas from 273 K to 373 K, when no work is done is
If R= universal gas constant, the amount of heat needed to raise the temperature of 2 mol of an ideal monatomic gas from 273 K to 373 K, when no work is done is
PhysicsHeat
Physics
Find the external work done by the system in kcal, when 20 kcal of heat is supplied to the system and the increase in the internal energy is 8400 J (J=4200J/kcal) ?
Find the external work done by the system in kcal, when 20 kcal of heat is supplied to the system and the increase in the internal energy is 8400 J (J=4200J/kcal) ?
PhysicsHeat
Physics
Temperature of an ideal gas is 300K. The final temperature of the gas when its volume changes from V to 2V in the process P=α V(here α is a positive constant) is
Temperature of an ideal gas is 300K. The final temperature of the gas when its volume changes from V to 2V in the process P=α V(here α is a positive constant) is
PhysicsHeat
Physics
two bodies of equal masses are heated at a uniform rate under identical conditions. The change in temperature in the two cases is shown graphically. The ratio of their specific heats in the solid state is
two bodies of equal masses are heated at a uniform rate under identical conditions. The change in temperature in the two cases is shown graphically. The ratio of their specific heats in the solid state is
PhysicsHeat
Physics
An ideal monoatomic gas is carried around the cycle ABCDA as shown in the figure. The efficiency of the gas cycle is
An ideal monoatomic gas is carried around the cycle ABCDA as shown in the figure. The efficiency of the gas cycle is
PhysicsHeat
Physics
One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law 
If the final temperature is 2T0 , heat supplied to the gas is
One mole of an ideal monoatomic gas at temperature T0 expands slowly according to the law If the final temperature is 2T0 , heat supplied to the gas is
PhysicsHeat
Physics
p-T diagram of one mole of an ideal monatomic gas is shown. Processes AB and CD are adiabatic. Work done in the complete cycle is
p-T diagram of one mole of an ideal monatomic gas is shown. Processes AB and CD are adiabatic. Work done in the complete cycle is
PhysicsHeat
Physics
Two moles of an ideal monoatomic gas are expanded according to the equation
pT = constant from its initial state ( p0 ,V0) to the final state due to which its pressure becomes half of the initial pressure. The change in internal energy is
Two moles of an ideal monoatomic gas are expanded according to the equation
pT = constant from its initial state ( p0 ,V0) to the final state due to which its pressure becomes half of the initial pressure. The change in internal energy is
PhysicsHeat
Physics
The internal energy of a gas is given by U = 2 pV. It expands fromV0 to 2 V0 against a constant pressure p0. The heat absorbed by the gas in the process is
The internal energy of a gas is given by U = 2 pV. It expands fromV0 to 2 V0 against a constant pressure p0. The heat absorbed by the gas in the process is
PhysicsHeat
Physics
600 J of heat is added to a monoatomic gas in a process in which the gas performs a work of 150 J. The molar heat capacity for the process is
600 J of heat is added to a monoatomic gas in a process in which the gas performs a work of 150 J. The molar heat capacity for the process is
PhysicsHeat
Physics
One mole of an ideal gas at temperature T1 expands slowly according to the law,Its final temperature is T2. The work done by the gas is
One mole of an ideal gas at temperature T1 expands slowly according to the law,Its final temperature is T2. The work done by the gas is
PhysicsHeat
Physics
A gas at 10oC temperature and 1.013×105 Pa pressure is compressed adiabatically to half of its volume. If the ratio of specific heats of the gas is 1.4, what is its final temperature?
A gas at 10oC temperature and 1.013×105 Pa pressure is compressed adiabatically to half of its volume. If the ratio of specific heats of the gas is 1.4, what is its final temperature?
PhysicsHeat
Physics
If 
K, then increase in internal energy when temperature of 2 moles of this gas is increased from 340 K to 342 K
If K, then increase in internal energy when temperature of 2 moles of this gas is increased from 340 K to 342 K
PhysicsHeat
