What is the pressure of one mole of an ideal gas at 273 K and in a volume of 1m3
This question uses the ideal gas equation. pV = nRT where the temperature is in Kelvin, the pressure in pascals and the volume in m3. To obtain the number of moles the equation is rearranged to give p = nRT/V. The next step is then to use the value of the ideal gas constant R = 8.314 and substitute the values given in to obtain a value for the pressure.
MH
Related Chemistry A Level answers
All answers ▸Carbon dioxide is a gas at room temperature while silicon dioxide is a solid at room temperature with a melting point of 1770°C. Explain this by comparing their particles and those forces between these particles.
Explain how the electron pair repulsion theory can be used to deduce the shape of, and the bond angle in, PF3 .
0.28 g of a gaseous hydrocarbon was turned in excess oxygen. 0.88 g of carbon dioxide and 0.36 g of water were formed. The volume of 0.28 g of the hydrocarbon at 1.01 x10^5 Pa and 298 k is 123 cm^3. Work out the molecular formula of the hydrocarbon.
Explain the effect of increasing concentraion of O2 on the equilibrium position of this gas phase reaction and what you might see given that Nitrogen Oxide and Nitrogen Dioxide appear colourless and brown respectively. NO + 0.5O2 ----> NO2