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Consider the titration of 30mL of 0.030 M of NH3 with 0.030M HCl. Calculate the pH after the following volumes of titrant have been added.
Part A: 0mL
Part B: 30.0mL
Calculate the molality of a calcium chloride solution prepared by dissolving 69.34 grams of calcium chloride in 638.7 grams of water.
Consider the following isomerization reactions of some simple sugars and values for their standard Gibbs free energy ΔG °:
particular sample of pure iron requires 0.595 kJ of energy to raise its temperature from 25oC to 45oC. The specific heat of iron is 0.45 J/g oC. What must be the mass of the sample?
Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.
Explain Vapor Pressure of Ideal Solutions, At 25C the vapor pressures of chloroform and carbon tetrachloride are 26.54 and 15.27 kPa respectively. If the liquids form ideal solutions
N2H4+3O2----2NO2+2H2O The limiting reagent is O2 how many kg of NO2 are produced from the reaction of 75kg of the limiting reagent.
A pound of coffee beans yields 48 cups of coffee. How many milliliters of coffee can be obtained from 1 g of coffee beans?
Some of the cyclohexane solvent vaporized during the temperature versus time measurements. Will this loss of cyclohexane result in the freezing point of the solution being recorded as too high
The mass of the Earth's Moon is 7.35 x 10^22 kg. what is the mass expressed in megagrams , Mg?
A container with a volume of 101 L contains how many atoms of argon gas at STP?
A flask containing gaseous N2 is irradiated with 25 nm light. The irradiated moleculars of N2 can absorb the energy from the light photons. Using the following information indicate what species can from in the flask during irradiation.
Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.
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