52.
Spontaneous change is one in which there is:

53.
Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition?

54.
When ice cubes are made, the entropy of water

55.
Warming ammonium chloride with sodium hydrochloride in a test tube is an example of

56.
For a spontaneous chemical process, the free energy change is

57.
When a bond is formed between two atoms, the energy of the system will

58.
The minimum energy required for an effective collision is

59.
Which of the following produces highest amount of energy upon oxidation?

60.
Which of the following has least negative electron gain enthalpy?