Explain what is the empirical formula for the compound

Assignment Help Chemistry
Reference no: EM13184545

A 6.67 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion producing 15.17 mg of CO2 and 6.19 mg of H2O. What is the empirical formula of the compound? (Type your answer using the format CxHyOz for the compound CxHyOz)

HopHelpCh3N7

(b) A compound is composed of elements C, H, and N. A 7.875-mg sample of the unknown compound was combusted, producing 21.363 mg of CO2 and 6.125 mg of H2O. What is the empirical formula for this compound? (Type your answer using the format CxHyNz for the compound CxHyNz)

HopHelpCh3N8

If the compound has a molar mass of 160 ± 5 g/mol, what is its molecular formula?

Reference no: EM13184545

Questions Cloud

Find confidence interval for mean salary of management major : A researcher is interested in estimating the salary of management majors. it is known that the population of salary offers is normally distributed with a standard deviation of 4(in thousands of dollars). the sample yields a sample mean of 50. 1. c..
Derive an euation relating the temperature to the velocity : derive an euation relating the temperature to the velocity of the gas.if nitrogen at 150 degree celcius flows past one section of the tube at a velocity of 2.5 metre/second,what is its temperature at another section where its velocity is 50 m/s
Find out the rate constant and the time required : A second-order reaction that destroys compound A via the reaction A to B is occurring in a batch reactor. It is 40% complete after 30 minutes. Determine the rate constant, and the time required to achieve 95% completion?
Explain events using the aggregate demand/supply model : In 2007 the U.S. was faced with two events. At the beginning of 2007, oil prices more than doubled. A financial crisis hit the economy starting in August 2007 causing a reduction in consumer and business spending. These events led to a rise in th..
Explain what is the empirical formula for the compound : A compound is composed of elements C, H, and N. A 7.875-mg sample of the unknown compound was combusted, producing 21.363 mg of CO2 and 6.125 mg of H2O. What is the empirical formula for this compound? (Type your answer using the format CxHyNz for..
What would be true of entitlement spending : 1. What would be true of entitlement spending if the percentage of taxes allocated to discretionary spending rose to 100 percent and the federal budget was balances (Hint: Under a balanced budget, tax revenues equal the sum of discretionary ..
State solutions of sodium carbonate and silver nitrate react : Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 8.00 g of sodium carbonate is mixed with one containing 4.75 g of silver nitrate.
Rough guide to ethical shopping : Hugely popular nowadays in restaurants and supermarkets, tiger prawns are mostly raised in man-made pools in Bangladesh and the Philippines.
Characteristics of the labor economists perspective : Suppose that a labor economist claims that recipients of economics PhDs gain little in terms of acquired productive skills from their graduate studies, but instead, the degree simply reflects a high level of inherent mathematical ability. Which on..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain why it takes longer time when anyone cook an egg

Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.

  Explain conversion of tert-butyl chloride

Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.

  What total volume of gas must be collected

Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be collected to obtain 0.563 g of helium? (At 25°C the vapor pressure of water is 23.8 torr.)

  What is the change in ph

what is the change in pH after addition of 10.0mL of 1.0M sodium hydroxide to 90.0mL oof a 1.0M NH3/1.0M NH4+ buffer? (Kb for ammonia is 1.8 X 10-5)

  State what is the empirical formula of a compound composed

What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (O) by mass? 2. A compound with the empirical formula CH2 has a molar mass of 84 g/mol. What is the molecular formula for this compoun..

  State what percentage does the compressibility change

The second virial coefficient B and the third virial coefficient C for A are -0.021 L/mol and 0.0012 L^2/mol^2 at 273 K respectively. By what percentage does the compressibility change

  How many molecules of ch3cooh would there be

Household vinegar is 5.0% acetic acid (CH3COOH). IF you have 240.0 mL of vinegar, how many molecules of CH3COOH would there be?

  How many moles of cu2o can be produced

how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?

  Explain what is a specific example that exists

What is a specific example that exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?

  Calculate the equilibrium constant for the reaction

In an experiment, equal volumes of 0.00200M FeCl3 and 0.00200M NaSCN were mixed together and reacted according to the equation:

  Explain a company is marketing a photovoltaic cell

A company is marketing a photovoltaic cell that it claims has an output of 320 W/m2 when tested at the standard 1000 W/m2 irradiation condition

  What is the change in ph

What is the change in pH after addition of 10.0 mL of 1.0 sodium hydroxide to 90.0 mL of a 1.0 M NH3/1.0 M NH4+ buffer? [ Kb for ammonia is 1.8 x 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