(Q1) If a given 400dm3 of a gas was collected at 20°c and 720mmhg, what is the volume at S. T.P (Q2) At STP, a certain mass of gas occupies a volume of 780cm3. find the temperature at which the gas occupies 950cm3 and has a pressure of 726mmhg.
(Q3) At what pressure in atm will a gas which has a volume of 50dm3 at 15°c can occupies 60dm3 at 30°c and 203.4×10-3Nm-2.

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Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.

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The mole ratio of hydrogen to ammonia is 3: 2.