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Calculate the amount of heat to remove from 5 pounds of 232 degrees steam to create 5 pounds of 162 degrees water.
The nitro group needs to be taken off as well. I can't seem to find any reference materials on what reagrents can be used. Can you please advise?
If 3.1 mol of ethane (C2H6) undergo combus tion according to the unbalanced equation C2H6 + O2 -! CO2 + H2O, how much oxygen is required?
What are the steps to recrystallize an impure solid? Answer 1. Heating the water. 2. Dissolving the solute.3. Letting the solute cool.4. Collecting and washing the crystals.
Compute the molar mass of vitamin C if a solution of 22.7 g in 100. g of water freezes at -2.40 oC. The Kf of water is 1.858 oC kg/mol.
A 4.70 g nugget of pure gold absorbed 285 J of heat. The initial temperature was 24.0°C. What was the final temperature.
2 NH3(g) + 3 O2(g) + 2 CH4(g) → 2 HCN(g) + 6 H2O(g) If 5.46x10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
A sample of gas has an initial volume of 13.8L at a pressure of 1.26 atm If the sample is compressed to a volume of 10.8L, what will its pressure be?
In a second 50.00mL aliquot, the ClO4- was reduced to Cl- with V2(SO4)3. Titration of the reduced sample required 40.12mL of the AgNO3 solution. Calculate the %KCl and %KClO4 in the sample
How many moles of atoms are in each of the following? 4.1*10^24 Pb atoms ,2.15*10^22 He atoms
Calculate the entropy change for vaporization of 18 g of H2O. The molar enthalpy of vaporization for water is 44 kJ/mol and the boiling point
5.00 ml of a water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. Write an equation for the reaction and calculate the hardness of the water in ppm
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