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What are the solvent and solute in a solution contatining 100 grams of ethanol and 3 grams of sucrose?
water from 20 degrees Celsius to 100 degrees Celsius. What is the delta H of combustion of the propane. What is the sign (positive or negative) of delta H?
Identify the limiting reagent for the given combination of reactants. Calculate how many grams of whatever substance will be in excess and how many grams of HF will be made.
what is the maximum mass of an object traveling at 241 m·s-1 for which the de Broglie wavelength is observable?
The following reaction equation depicts the reaction between hydrazine (N2H4) and dinitrogen textroxide (N2O4) to form diatomic nitrogen and water vapor.
Which of the seven Anions will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
calculate the amount of cacl2 in grams that would have to be dissolved in 100ml of solution to produce a solution with
the average soil organic carbon content = 0.01%. assume that soil organic carbon is the primary sorbent and that degredation and dispersion are negligible.
A 10.9-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 8.88 L when measured at 641.9 mmHg and 28.5oC. What is the mole fraction of nitrogen in this mixture?
Determine the mass of water when 12.5L NH3 (at 298 K and 1.50 atm) is reacted with 18.9 L of O2 (at 323 K and 1.1 atm)
calculate the amount of heat requred to raise the temperature of 100.00 g of Mercury at 0.0000 c to 2.0000 c. repeat for 99.000 c to 101.000 c
Hydrogen peroxide can be prepared by the reaction of barium peroxide wtih sulfuric acid accoridng to BaO2(s) + H2SO4(aq) arrow BaSO4(s) + H2O2 (aq) How many milliliters of 2.00 M H2SO4 (aq) are needed to react completely with 49.5 g of BaO2(s)
consider the constitutional isomers 2-methyl-1-butene 2-methyl-2-butene and 3-methyl-1-butene. when each of these
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