Determine the empirical and molecular formulas

Assignment Help Chemistry
Reference no: EM13169408

Combustion of a 5.50 g sample of a compound containing only C and H produces 18.59 g of CO2 and 3.81 g of H2O. In another experiment, the molar mass of the compund was found to be 78g/mol. Determine the Empirical and molecular formulas for this compund.

Reference no: EM13169408

Questions Cloud

What is the concentration of f- in the new solution : When 27 mL of a 230 mL stock solution containing 2.2 M BaF2 is diluted to 81 mL, what is the concentration of F- in the new solution?
How about withdrawal from the engagement : Why is it important to do the kind of due diligence testing and risk assessment review conducted by Cardinal & Coyote prior to determining whether to make a bid for the audit of a potential client?
Many media outlets are owned by large corporations : Many media outlets are owned by large corporations. Do you think that corporate media ownership limits variety in content and availability? How much influence does corporate ownership have? Explain
Express the molal concentration numerically. : A solution of water (Kf = 1.86 degrees C/m) and glucose freezes at -2.55 degrees C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 degrees C. Express the molal concentration numeri..
Determine the empirical and molecular formulas : Combustion of a 5.50 g sample of a compound containing only C and H produces 18.59 g of CO2 and 3.81 g of H2O. In another experiment, the molar mass of the compund was found to be 78g/mol. Determine the Empirical and molecular formulas for this co..
What are the molarities of hydronium ion and hydroxide ions : t 50°C the value of KW is 5.5 x 10-14. What are the molarities of hydronium ion and hydroxide ions in a neutral solution at this temperature.
Across the world-industrial history repeats itself : "Across the World, Industrial History Repeats Itself" There are many parallels between the industrialization of the United States after Reconstruction and the modernization of the American workforce in the last twenty to thirty (20-30) years as it tr..
Companys overall break-even point : Conway Company sells three products: A,B and C. Product A's unit contribution margin is higher than Product B's and Products B's is higher than Product C's. Which one of the following independent events is most likely to increase the company's ove..
Hospice in light of our discussion about euthanasia : What are your thoughts about Hospice in light of our discussion about euthanasia? Is there a difference?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the eguation fot the neutralization reaction

write the balance the eguation fot the neutralization reaction between H2 SO4 KCH

  At what ph will 72% of the mg2 be precipitated

The concentration of Mg2+ in seawater is 0.052 M. At what pH will 72% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 multiplied by 10-12.]

  Find the concentration and ph solution

Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?

  Calculate the amount of energy released in megaelectronvolts

An injection containing 10.0pg 10 5 B was injected into a patient suffering from a brain tumor. The patient was irradiated by a neutron gun at the site of the tumor.

  What is the molarity of the hcl solution

In the neutralization reaction: HCl (aq) + NaOH (aq) = NaCl (aq) +H20, 25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is ?

  State electrons having this speed would need to be treated

electrons having this speed would need to be treated as waves in atoms because the wavelength is on the order of the size of atoms.

  How many joules of heat are absorbed

The temperature of a 35.2 g sample of iron increases from 23.7 C to 29.5 C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed.

  State the vapor pressures of pure water and ethanol

What is the vapor pressure (in torr) above a solution prepared by mixing 47.89 g of water, H2O, with 47.65 g of ethanol, C2H5OH, at 63.50 °C?

  Calculate the amount of naf in milligrams

Water supply in a city is fluoridated by adding NaF. The preferred concentration of F- is 1.6ppm.calculate the amount of Naf in milligrams should be added per gallon (treated water) if the water supply is 0.2 ppm in F-?

  Determine the amount of heat energy

Determine the amount of heat energy is needed to raise the temperature of 0.362 kilograms of Cu from 23. Degree Celsius to 60 degree Celsius?

  How many grams of gas are formed

When a 2.41x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed.

  What was the initial concentration

A zero-order reaction has a constant rate of 2.40×10-4 M/rm s. If after 80.0 seconds the concentration has dropped to 7.00×10-2 M,

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