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A sample of gas occupies 15.0 liters at a pressure of 2.0 atmospheres and a temperatures of 300 K. If the pressure is lowered to 1.00 atmosphere and the temperature is raised to 400 K, the volume of the gas sample would be?
what is the of a buffer system that contains 0.210 hydrocyanic acid and 0.240 sodium cyanide ? the of hydrocyanic acid
a 50.0 g sample of water is cooled from 30 degrees Celsius to 15 degrees Celsius losing 3140 J of heat What is the change in enthalpy.
Define Ideal gas law, Calculate the free energy of mixing when 1 mole of liquid A is mixed with 4 moles of liquid B at 25 degrees C to form an ideal solution. What is the change in chemical potential of component A?
The burning of sufficient magnesium in oxygen to form 2.00 grams of magnesium oxide results in the liberation of 30.1 kj.
what is the maximum number of grams of [Co(NH3)6]Cl3 that can be produced?
Which one of the following derivatives of ethane has the highest boiling point?
Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.
describe the preparation of 12 ml of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2; 1.20 M solutions of NaCl, NaBrO3, and CuSo4; a 0.40 M solution of NaI; a 0.50 M so..
How much of the drug substance has to be used (calculate)? B) How much NaCl do you need to add to hace an isotonic preparation?
Which of the following will react with Benedict's reagent?
The balloon ascends to an altitude of 20 km, where the pressure is 76.0mmHg and the temperature is -50 degrees C. What is the new volume, V2, of the balloon in liters, assuming it doesn't break or leak
A 3.50-g sample of magnesium hydroxide was treated with 50.0 mL of a 0.500 M aqueous sulfuric acid solution. Calculate the number of grams of magnesium hydroxide that remained undissolved.
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