Determine standard molar enthalpy of formation of benzane

Assignment Help Chemistry
Reference no: EM13692135

Question- The standard enthalpy of combustion of benzane is -3271kj/mol. Determine the standard molar enthalpy of formation of benzane given the date-

Delta H: CO2 = -394kj/mol

Delta H H20 = -286kj/mol

1) +1082 kj/mol

2) -1082 kj/mol

3) -6493 kj/mol kj/mol

4) +49 kj/mol

Here is the problem which I am struggling on, please help me

Reference no: EM13692135

Questions Cloud

Calculate the solubility of ca5(po4)3f in water : Fluoridated water has resulted in a dramatic decrease in the number of cavities among children. Calculate the solubility of Ca5(PO4)3F in water. 3.1 10-5 g/L 2.2 10-7 g/L 6.1 10-6 g/L 1.1 10-4 g/L
The liquid iron can be used to weld iron bars together : Question- Elemental iron is produced in what is called the thermite reaction because it produces enough heat that the iron is initially in the molten state. The liquid iron can be used to weld iron bars together
What is the percent composition of the elements k : Question- The mass of a sample of a compound is 7.44g. Of that mass 2.88g is potassium,1.03g is nitrogen and the remainder is oxygen. What is the percent composition of the elements K,N,and O respectively
How many monohalo isomers are possible : Question- Is it possible to prepare (S)-2-bromo-3-methylbutane in high yield by halogenations of an alkane? How many monohalo isomers are possible upon radical halogenations of the parent alkane. Consider stereoisomers as well.
Determine standard molar enthalpy of formation of benzane : Question- The standard enthalpy of combustion of benzane is -3271kj/mol. Determine the standard molar enthalpy of formation of benzane given the date-
Calculate the vibrational contribution to the heat capacity : Question- Calculate the vibrational contribution to the heat capacity and the total heat capacity for the following molecules (harmonic vibrational frequencies given)
A crystal was analyzed using x-ray diffraction : Question- A crystal was analyzed using X-ray diffraction with radiation from a molybdenum source. The observed angle was 11.91°. Determine the distance between layers of the crystal. d= pm?
The maen value of results from another group is 18.29% : Question- Last lab the topic was lipid content, professor gave us the Bluebird thick cut chips as sample, my group tested twice, the first result is 21.26% and the second one is 21.48%. So the mean is 21.37%. they are very close. But the maen valu..
How many grams of calcium chloride will be produced : Question- When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain volatile oxide of sulfur

A 150.0 ml flask contains 0.391 grams of volatile oxide of sulfur. The pressure in the flask is 750mmHg and the temperature is 22 degrees Celsius.

  Explain the mass ratio of bromine in the dead sea

The average concentrations of Bromide in sea water(d=1.024g/ml) and the Dead Sea(d=1.22g/ml) are 0.065 g/l and 0.50 g/l. What is the mass ratio of bromine in the dead sea to that in sea water

  What is the minimum mass of nahco3 that must be added

If 24 mL of 6.2 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?

  Explain phenolphthalein is an acid base indicator

Phenolphthalein is an acid base indicator. What color does it possess in the presence of excess hydrogen (i.e., hydronium) ions?

  Explain how many grams of the excess reagent are left over

How many grams of the excess reagent are left over after the reaction of 4.36 g of Al and 8.50 g HCl in the following unbalanced equation: Al + HCl --> AlCl3 + H2

  The average frequency of chirping by a snowy tree cricket

Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below

  Compute the rate constant of the catalyzed

Calculate the rate constant of the catalyzed and uncatalyzed reactions. How many folds of rate enhancement are produced by the enzyme? The rate constant is 13.46 but what is the nuber of folds of enhancement that are produced by the enzyme?

  What is the change in the volume

When scuba diving, it is important to come back to the surface of the water from deep dives slowly. If this does not happen, then the diver can get the ?bends?.

  State butanone and hydroxylamine under acid catalyzed

Write out the mechanism for the oxime formed from 2-butanone and hydroxylamine under acid catalyzed conditions.

  Depict the compound that would produce 4-ethyl-3-hexanol

Depict the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.

  Find the solution to chemistry electron-donating

The solution to Chemistry, Are there differences between having electron-donating groups and electron-withdrawing groups

  Define the ph of a benzoic acid-benzoic buffer that consists

what is the [H3O+] and the pH of a benzoic acid-benzoic buffer that consists of 0.15 M C6H5COOH and .47 M C6H5COONa? (Ka of benzoic acid = 6.3 * 10^-5)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd