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Question: How much heat is released when a mixture containing 23.0 g CS2 and 23.0 g Cl2 reacts by the following equation?
CS2(g) + 3Cl2(g) ---> S2Cl2(g) + CCl4(g) delta H= -230 kJ
If 34.0 mL lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.640 g precipitate, what is the molarity of lead(II) ion in the original solution?
A gas occupies 14.5L at a pressure of .526 atm. What is the volume when the pressure is increased to .780 atm?
In nature, the element X consists of two naturally occurring isotopes. 107X with abundance 52.84% and isotopic mass 106.9051 amu and 109X with isotopic mass 108.9048 amu. Use the given information to calculate the atomic mass of the element X to a..
What volume of ammonia gas could be produced at 100% yield when 3.7 moles of hydrogen reacts with 1.3 moles of nitrogen
Calculate the amount of mass in nano gram that is changed into energy when one mole of liquid water forms by combustion of hydrogen
A piece of chromium metal with a mass of 24.26 g is heated in boiling water to 98.3 degrees celsius and then dropped into a coffee-cup calorimeter
compute the mass of air in an air-filled tire and the also determine the mass of he in a helium-filled tire. suppose
A 0.894-g sample of gas occupies 125 mL at 60. cm of Hg and 25C. What is the molar mass of the gas.
100 mL of 0.150 M acid H2A are mixed with 100 mL of 0.1600 M NaOH. Calculate the [H+] of the resulting solution at equilibrium. Ka1 = 1.0 x 10^-5 Ka2 = 1.0 x 10^-7
a gaseous mixture of and contains 37.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if the
2noclg rarr 2nog cl2gat 450 k the rate constant is 15.4 atm-1s-1. how much time in s is needed for nocl originally at
How many grams of CaCl2 are needed to make 968.1 g of a solution that is 35.5% (m/m) calcium chloride in water? (Note that m/m has the same meaning as w/w.)
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