A sample of xenon gas at a pressure of 817 mm Hg and a temperature of 66 °C, occupies a volume of 13.9 liters. If the gas is heated at constant pressure to a temperature of 89 °C, the volume of the gas sample will be 14.84 L.

The value of heat transfer in xenon gas during heating at constant pressure  Q = 0.254  KJ

Explanation:

Initial pressure = 109 k pa = Final pressure

Initial temperature = 66°c = 339 K

Initial volume = 13.9 liter = 0.0139

Final temperature = 362 K

Final volume = 14.84 liter

Specific heat for xenon at constant pressure = 0.158

Gas constant  for xenon (R)= 0.063

From ideal gas equation

= m R ------ (1)

⇒ 109 × 0.0139 = m × 0.06333 × 339

⇒ m = 0.07 kg

This is the mass of xenon gas.

heat transfer is given by

Put all the value sin above equation we get

Q = 0.07 × 0.158 × (362 - 339)

Q = 0.254  KJ

This is the value of heat transfer in xenon gas during heating at constant pressure.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.