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A 2.4375 g sample containing a mixture of KClO3 and NaCl is heated and under goes a mass loss of 0.6191 g. What is the percent of KClO3?
Determine the mass of propylene glycol neded to substitute one gallon of ethylene glycol and also find out the volume of propylene glycol, required to get the same antifreeze protection as one gallon of ethylene glycol.
Calculate the heat that must be supplied to 10.8 g of Ne at .15 atm to raise its temperature from 28C to 51C at constant pressure. Assume that neon behaves as an ideal gas.
What is the pressure in a 65.0L cylinder filled with 0.235 moles of nitrogen gas at a temperature of 105K.
If C 6 H 12 O 6 yields C 2 H 5 OH+CO 2 then balance this equation and determine what the percent yield for the reaction is if 575.0 grams of C 6 H 12 O 6 glucose yields 126.4mL of C 2 H 5 OH ethanol?
how many moles can be produced from 2.5 moles of Ag2CO3 and final temperature of the calorimeter contents is 23.83°C After dissolution of the salt.
Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
A gas occupies 14.5L at a pressure of .526 atm. What is the volume when the pressure is increased to .780 atm?
In one experiment, 11.5 g of NO formed when 112.4 g of each reactant was used. What is the highest percent yield of N2 that can be expected?
A gas has a volume of 150 ml when its pressure is 0.947 atm. What will the volume of the gas be at a pressure of .987 atm, if the temperature remains constant
In the event of a severe and prolonged shortage of petroleum, suggest one alternative fuel that could be used for automobiles. What do you see as the advantages and disadvantages of your choice of alternative fuel?
In a butane lighter, 9.8 of butane combines with 35.1 of oxygen to form 29.6 carbon dioxide and how many grams of water.
A buffer solution is prepared by mixing 0.500 L of 1.50 M HF and 0.400 L of 0.95M KF. What is the pH of this buffer? [Ka(HF) = 6.30 × 10-4]
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