A tank of oxygen has a volume of 1650L. The temperature of the gas inside is 35degrees Celsius. If there are 9750moles of oxygen in the tank what is the pressure in PSI?

2193.8 PSI is the pressure in the tank

Explanation:

We apply the Ideal Gases Law to solve this:

P . V = n . R . T

T° is the temperature in K, so we must do the conversion:

35°C + 273 = 308K

P . 1650L = 9750 mol . 0.082 L.atm/mol.K . 308K

P = (9750 mol . 0.082 L.atm/mol.K . 308K) / 1650L → 149.24 atm

Let's make the conversion:

1 atm = 14.7 PSI → 149.24 atm . 14.7 PSI / 1 atm = 2193.8 PSI

the dissolution of polymer can be thermodynamically described in 2 steps.

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.