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What is the half-life of a compound if 89 percent of a given sample of the compound decomposes in 56 min? Assume first-order kinetics.
Calculate the change in Gibbs free energy for each of the following sets of ΔH ° rxn , ΔS ° rxn , and T .
Organic chemistry- When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly
Consider a binary liquid mixture A and B, where A is volatile and B is nonvolatile. The composition of the solution in terms of mole fraction is xA = 0.045 and xB = 0.955
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
A car travels at 58.0 miles per hour and gets 10.0 kilometers per liter of gasoline. How many gallons of gasoline are needed for a 1.00 hour trip.
What mass of CaCl2 , when dissolved in 100.00 g of water, gives an expected freezing point of 5.0°C; CaCl2 is ionic? What mass of glucose would give the same result?
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.5 cm. Its mass is 1.2 kg. Calculate the density of the metal.
How many moles of ammonia are produced when 20 moles of hydrogen react with 40 moles of nitrogen
Need to prepare a solution of 0.2 L 0.4 M then determine how many cm^3 of a solution of H2SO4 (sulfuric acid) 80.0%
Write the structure for the organic reagents and products, name the products and indicate stereochemistry when appropriate
What is the volume of a gas at T=35.0C and P=675 torr if the same sample occupied 42.6L at T=-27.3C and P=1.000 atm.
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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