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The combustion of butane produces heat according to the equation
2C4H10(g) + 13O2(g) → 8CO2(g) + 10H2O(l) %media:formula3.mml% = -5,314 kJ/mol
What is the heat of combustion per gram of butane?
What is the molality of the 45.0 mass % ethylene glycol (C2H6O2) solution in the water
The mass of the isotope, I-129, is 128.905 amu while the atomic mass of the contaminated iodine sample is 127.1982 amu. What is the mass of the contaminant?
explain why the chemical formulas AlCl3, PCl3 and CoCl3 are so similar, yet their names are so different.
b) Calculate Delta G^o at 800 K, assuming that Delta H^o and Delta S^o do not change with temperature. (c) Is the reaction spontaneous at 800K?
A mixture of gases contains 0.290 mol CH4, 0.240 mol C2H6, and 0.300 mol C3H8. The total pressure is 1.40 atm. Calculate the partial pressure of the gases.
Calculate the theoretical yield of C2H5Cl when 135 g of C_2H_6 reacts with 225 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
How many grams of PBI2 will precipatate by the addition of excess KI solution to 50.00 mL of 1.22 M Pb(N03)2
Suppose 5.0 mol of antimony (III)fluoride is added to 10.0 mol of carbon tetrachloride. How many grams CCl2F2 and SbCl3 are there if the reaction is 100% complete?
A fluorinated organic gas in a cylinder is com- pressed from an initial volume of 960 mL at 158 Pa to 478 mL at the same temperature. What is the final pressure? Answer in units of Pa.
If we took EXACTLY 1.00 ml of a 1.000 M solution of Cu(NO3)2 and placed it in 99.000 ml of water and mixed it, then took 2.00 ml of this solution and placed it in 18.000 ml of water.
calculate the number of excess reagent units remaining when 100 C4H10 molecules and 611 O2 molecules react?
An alloy of iron contains 75.0% iron and 25.0% other elements. How many grams of iron are present in 150. g of the alloy?
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