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A 21.19 gram sample of oxygen-containing hydrocarbon (CxHyOz) undergoes combusion analysis. It produces 38.29 grams of CO2 AND 13.06 grams of water.
1. Explain what is the empirical formula for CxHyOz(CO2 = 44.010g/mol and H2O = 18.015g/mol)
2. Explain if the Molar Mass of the Compound in #2 is 292g/mol, define what is the Molecular Formula of the compound?
You are given 2.51 g of salicylic acid (MM = 138.118 g/mol). Utilizing the procedure in the lab manual for the synthesis of aspirin (MM = 180.154 g/mol), you recover 1.34 of aspirin. Compute your percent yield of aspirin.
The car has a city mileage of 20 miles per gallon. If the car is replaced with the new car with city mileage off 32 miles per gallon and the average cost of gasoline is $3.62 per gallon, estimate the amount of fuel, energy, and money conserved wit..
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A 0.2044 g sample of potassium hydrogen phthalate (KHC8H4O4, a primary standard) was quantitatively transferred to a 100.00 mL volumetric flask and water was added to the mark.
tris pentaflourophenylborane commonly known as barf is a polymerization initiator used in the manufacture of plastics.
Write a full curved arrow mechanism for the formation of a peroxyacid ester intermediate from the bis(2,4,6-trichlorophenyl) oxalate.
What exactly causes the OPI Shatter Nail Polish to crack. What solvents are incompatible. And what type of chemical reaction is occurring( and what is it)
A gaseous fuel mixture stored at 744mmHg and 298 K contains only methane and propane. When 13.0L of this fuel mixture is burned, it produces 769kJ of heat. What is the mole fraction of methane in the mixture?
for the following equilibrium a 2b lt-gt 3cthe initial concentrations of species are 0.10 m a 0.20 m b and 0.30 m c
if a microwave oven took75 seconds to heat 1.00 cups of water from 15.8 to95.9oc how many photons per minute does the
An unknown sample of gas was put into a jar with a sample of nitrous oxide gas. The density of the gas is 1.098 g/L at 25 degree celcius when the atmospheric pressure is 756 torr.
In a cup calorimeter experiment, a student found that 10.9 kJ of energy was consumed by the vaporization of a 56.0 g sample of N2. Use the student's experimental data to calculate a value for ΔHvap for N2.
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