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If the heat of combustion for a specific compound is -1310kj/mol and its molar mass is 60.87 g/mol, how many grams of this compound must you burn to release 778.70 kj
What would be the pH of a solution prepared by combining equal quantities of NaH2PO4 and Na2HPO4? Explain. 2. Sufficient strong acid is added to a solution containing
how do you calculate the number of equivalents of NaOH required to reach the equivalence point?
a 436 mL volume of hydrogen gas is collected at 25 kelvin and 725 torr. what volume will gas occupy at STP
Calculate the heat energy released when 13.3 g of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm
On treatment of Compound D with an alcoholic solution of silver ammonium hydroxide, a silver mirror was formed within a few minutes. Identify the hydrocarbon A and Compounds B-D.
Imagine that you have a 5.00L gas tank and a 4.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Calculate K for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetroxide gas
As a reference, a standard mixture containing 2.26 micrograms Co/mL and 1.92 micrograms Ti/mL was prepared and measured to have a signal-to-signal ratio of 2.41 Ti: 1.00 Co.
if iodine gas reacts with excess fluorine gas to produce 7.575 g of iodine penta fluoride gas, what was the pressure of the iodinee gas before reacting if it was kept in a 1.5L flask at 298 k
A 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?
Determine the mechanism for the synthesis of p-nitroacetanilide from acetanilide and HNO 3 , nitric acid and H 2 SO 4 sulfuric acid?
A 1.0-L buffer solution is 0.105M in HNO 2 and 0.145M in NaNO 2. Determine the concentrations of HNO 2 and NaNO 2 after addition of 1.4g NaOH.
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