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An unknown compound containing only carbon and hydrogen was burned in excess oxygen. When 7.714 grams of the compound was burned, 24.205 grams of carbon dioxide and 9.911 grams of water were produced. If the unknown compound has a formula mass of 196.36 g/mol, what is the molecular formula of the compound (don't forget to enter subscripts of 1)?
a student combusts 504.96 grams of ethene gas c2h4. how many liters of co2 g are produced at a pressure of 0.993 atm
given the tabulated data what is the lattice energy of crystalline calcium chloride?heat of sublimation for calcium 178
the energy is 18.44 kj/mol and for the methyl group in equatorial position the energy was 8.66 KJ/mol based on this information which is more stable and why?
What pressure would have to be applied to steam at 365°C to condense the steam to liquid water (H vap = 40.7 kJ/mol)?
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
Which of the following molecules would be expected to be MOST water soluble?
For a particular redox reaction NO(2)^- is oxidized to NO(3)^- and Ag^+ is reduced to Ag. Complete and balance the equation for this reaction in a basic solution
Grignard reagent made from magnesium and 1-chloro-2-methylpropane with lables charges on the C-Mg bond
What's the reaction mechanism when n-butyl acetate reacts with sodium bromide to form n-buytl bromide
the activation energy for the isomerization of methyl isonitrile is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 500 K.
The following organic chemicals are used during the oxidation of 9-hydroxyfluorene to fluorenone briefly explain how each chemical listed below is taking part during the chemical reaction.
A 27.2 mL sample of a solution of RbOH is neutralized by 16.12 mL of a 2.047 M solution of HBr. What is the molarity of the RbOH solution? Answer in units of M.
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