Q. The latent heat of any substance is given by the formula

View solution

Q. When energy is used to bring the molecules closer, the energy decreases

View solution

Q. The concept of latent heat was introduced by

View solution

Q. The unit of specific latent heat is

View solution

Q. The curves which show the temperature when a substance is cooled down is called

View solution

Q. The graph of cooling curve consists of two parts

View solution

Q. Pouring temperature of the graph is the

View solution

Q. All these molecules have dipole-dipole forces, except

View solution

Q. Greater the strength of dipole-dipole forces, the values of thermodynamic parameters are

View solution

Q. The attractive forces between oppositely charged ions are

View solution

Q. Dipole-dipole forces are as effective as covalent bond

View solution

Q. Dipole-dipole forces operate reasonably in

View solution

Q. The change in enthalpy at constant pressure is equal to

View solution

Q. Total heat content of a system is called

View solution

Q. The heat of neutralization of a strong acid with a strong base is approximately

View solution

Q. The unit of standard enthalpy of reaction is

View solution

Q. Which one of the following is not a state function

View solution

Q. The enthalpy change when one mole of a compound is formed from its elements is

View solution

Q. The enthalpy change of a reaction when all the reactants and products are in their standard state is called

View solution

Q. Mathematically enthalpy (H) is equal to

View solution