gases

  1. T

    Partial pressure and Gibbs free energy

    Hi everyone, i'm given the equation in the red zone in my attempt: NH4Cl<=>NH3+HCl at a temperature of 298K. I have to calculate what the partial pressure of HCl will be at the equilibrium of this reaction, starting only with NH4Cl in an closed room. In order to do this, I have to first...
  2. X

    Chemistry - Gases

    I did some weight for the following in the lab for Molar Mass of CO2: Mass of flask + stopper + air = 40.09 g Mass of flask + stopper + CO2 gas (after subliming) = 40.12 g Volume water in flask (=volume of gas), V = 57.5 mL (0.0575 L) here are the questions: Instead of using solid CO2 a...
  3. M

    Partial Pressure of Gases Question! URGENT PLEASE!?

    Hi! I am new to this forum so bear with me please :) I have this Inorganic A-Level Chemistry Question about Dalton's Law of Partial Pressure: A mixture of gases containing 70cm3 of propane, C3H8 and 50cm3 of propene, C3H6, were exploded with 3.0dm3 of air containing 21% oxygen, at a pressure...
  4. T

    Chemistry: Gases: Gas laws questions

    NOTE: The question is only this paragraph below, the rest is just my steps that are incorrect. A fish has neutral buoyancy (doesn’t sink or float upwards) when its density is the same as the water surrounding it. In water with density 1.0026 g/mL, a 1.182 kg fish has neutral buoyancy when its...