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How many kilocalories are required to produce 1.39 mol of aluminum? 2Al2O3 yields 4Al+3O2; (delta) H = +801(kcal/mol (+3350 kJ/mol )
Important information about Organic molecules, What is meant by a molecules "handedness"? Can all organic molecules exhibit this property? What makes such a property possible?
The specific heat of lead is 0.0380cal/g degree celcius. If 47.0 calories of energy raised the temperature of a lead sample from 28.3 degrees celcius to 30.1 degrees celcius.
What observed rotation is expected when a 1.10 M solution of (R)-2-butanol is mixed with an equal volume of a 0.550 M solution of racemic 2-butanol,
Calculate the theoretical yield of C_2H_5Cl when 127 g of C_2H_6 reacts with 250 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
If a mixture of 35.8 g of CH4 and 75.5 g of S reacts, how many grams of H2S are produced? CH4(g)+4S(g)-->CS2(g)+2H2S(g).
How much pressure is caused by 0.0201 mol of N2 and H2O in the flask under the specified conditions?
A 20.0 ml sample of 0.200 M K2CO3 solution is 30.0 ml of 0.400 M Ba(NO3)2 solution. Barium Carbonate precipitates. The Concentration of barium ions, Ba^2+, in solution after reaction is?
Use the standard reduction potentials to find the equilibrium constant for each of the following reactions at 25°C.(a) Br2(l) + 2 I ?(aq) 2 Br?(aq) + I2(s)
List the basic solutions in order of increasing basicity. NH2OH, HNO2, C2H5NH2, NaNO2, and Ca(OH)2
Explain how it is that the concentrations of chloride ions in these beakers are different even though the concentrations of each substance(compound) are the same.
A 787 mL gas sample at STP is compressed to a volume of 226 mL, and the temperature is increased to 29?C. What is the new pressure of the gas in Pa.
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