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At constant volume, the heat of combustion of a particular compound is -3549.0 kJ/mol. When 1.441 g of this compound (molar mass = 195.80 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 4.337 degrees Celsius. What is the heat capacity (calorimeter constant) of the calorimeter
The mixture did not rotate the plane of polarized light before. How had the mold changed the solution to become optically active?
how many liters of water vapor can be produced if 13.3 liters of methane gas ch4 are combusted if all measurements are
Copper dissolves in nitric acid, producing copper (ll) nitrate. After reaction with sodium hydroxide and heating, copper nitrate changes to copper (ll) oxide. Calculate the percent yield of this process if 1.075 g of copper produced 1.075 g of cop..
Write a balanced chemical reaction for the formation of a free fatty acid from a soap molecule under acidic conditions. Why would the formation of free fatty acids inhibit the cleaning ability of the soap
Suppose 93.0 g of HI(g) is placed in a glass vessel and heated to 1107K. At this temperature, equilibrium is quickly established between HI(g) and its decomposition products, H2(g) and I2(g)
60.0 mL portion of of 1.70 M solution is diluted to a volume of 288 mili litres. A 144-mili litres portion of that solution is diluted using 115 mLili litres of H2O. Determine the final concentration.
A solution contains 10.90g of unknown compound dissolved in 50.0mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -6.53C. What is the molecular formula of the compound
Sodium chlorate,NaClO3, decomposes when heated to yield sodium chloride and oxygen, a reaction used to provide oxygen for the emergency breathing masks in many airliners
A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air
Compute the wavefunction and the probability to tunnel, for a proton in the potential: V(x)=0, when x 0.00 nm, and V(x)=2.0*10-19 J otherwise.
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate, how many grams of solid precipitate will be formed.
A certain quantity of a gas occupies 61.3 mL at 68 ?C. If the pressure remains constant, what would be the volume of the gas at 128 ?C?
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