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Burning 2.00 rm mol of hydrogen releases 483.6 rm kJ of energy. Determine how much energy, in kilojoules, must be supplied to convert 9.00 {rm mol} of water vapor into hydrogen gas and oxygen gas.
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [HCl]eq = 0.13 M, [HI]eq = 5.6 × 10-16 M, [Cl2]eq = 0.0019 M.
Please suggest me with the possible answers how the coronarin D is synthesised from labdane dildehyde and also suggest me with the different agents reactions for epoxidation
To determine the approximate mass of a small sherical shot of copper the following experiment is preformed: 125 pieces of shot are added to 7.9ml of water in a graduated cylinder and the volume becomes 8.3ml.
a 27.0 g sample of an unknown carbon-hydrogen compound was burned in excess oxygen to form 88.0 g of co2. what is a
Explain why is it necessary to recrystallize your product. How do you when to recrystallize a compound. If your product is not completely dry while measuring the mp, it may appear to melt at 100C. Why
Calculate the molarity of a solution of sodium hydroxide, NaOH, if 23.64 mL of this solution is needed to neutralize 0.5632 gof potassium phthalate
Calculate a change in pH when 10 mL of 0.2 M LiOH is added to the buffer made by mixing 50mL of 0.1 M hydrobromous acid (HOBr) and 40 mL of 0.2 M of sodium hydrobromide
Calculate the volume of a sample of carbon monoxide at -20.°C and 328 torr if it occupies 3.65 L at 298 K and 725 torr. A sample of chlorine gas is confined in a 7.5 L container at 220. torr and 27°C. How many moles of gas are present in the sample
In the purification process, the organic layer is washed with 2 M NaOH and then with water. What is the purpose of these washes
Question- In the titration of 10.00 mL of an unknown weak acid (HX) with a strong base that has a molarity of 0.1002 M, the equivalence volume was found to be 18.45 mL. a) Calculate the concentration of HX.
A saturated solution of lead(II) chloride was prepared by dissolving PbCl2 solid in water. The concentration of Pb+2 ion in the solution was found to be 1.62*10^-2M . Calculate Ksp for PbCl2 .
Ammonium ferric sulfate dodecahydrate (NH4Fe(SO4)2 • 12 H2O) is synthesized via the two step process shown below. In the first step an acidic solution of iron (II) ions are oxidized to iron (III) ions with nitric acid.
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