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if 525 mL of gas at 25 degrees celcius is heated to 50 degrees celcius at constant pressure, calculate the new volume?
Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.
Determine the extent of reaction and amounts of B & Z and A reaction having time independent stoichiometry follows the equation
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.
A mixture of NaCl and NaBr has a mass of 2.08g and is found to contain 0.78 of Na.What is the Mass of NaBr in the mixture.
The volume of a sample of hydrogen is 798mL and it exerts 621mmHg pressure at 5.00C. what volume does it occupy at standard temperature and pressure.
At 295 K, Keq = 7.0 x 10-2 for the following equilibrium: NH4HS(s) ? NH3(g) + H2S(g) What is the equilibrium partial pressure (in atm) of H2S.
Use of fossil fuels - Should we be burning the raw materials for medicine and polymers? Where will we be in 50 years on this issue?
A 50.0g silver object and a 45.0 g gold object are both added to a 55.5 mL of water contained in a graduate cylinder. what is the new water level in the cylinder.
Determine what is the density of the oxygen gas in the full bottle If A cylindrical gas lecture bottle has internal dimensions of 18.0 cm in diameter and a height of 49.0 cm and weighs 1.75 kg when empty.
Determine the mass of the liquids in grams if this liquid is added to the beaker the combined mass becomes 238.254 grams? Given that the mass of beaker=225.08 g?
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