Explain the mole fraction of oxygen molecules in dry air

Assignment Help Chemistry
Reference no: EM13503110

The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and 25°C is required for burning 1.00 L of hexane (C6H14, density = 0.660 g/mL) completely, yielding carbon dioxide and water?

Reference no: EM13503110

Questions Cloud

Evaluate the concentrations of pb2+ and cl : A solution is prepared by mixing 50.0 mL of 0.29 M Pb(NO3)2 with 50.0 mL of 1.9 M KCl. Calculate the concentrations of Pb2+ and Cl at equilibrium. Ksp for PbCl2(s) is 1.6 x10-5.
What is its radius at lift-off : A weather balloon is designed to expand to a maximum radius of 17 m when in flight at its working altitude where the air pressure is 0.034 atm, what is its radius at lift-off
The alternative valuation date : On August 15 of the current year, Harold received 100 shares of the stock as an inheritance from his mother, Mona, who died on January 20. Mona's adjusted basis in the stock was $45,000.
At what distance from wire is net magnetic field equal zero : A long wire carrying 140 A is perpendicular to the magnetic field lines of a uniform magnetic field of magnitude 6.5 mT. At what distance from the wire is the net magnetic field equal to zero
Explain the mole fraction of oxygen molecules in dry air : The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and 25°C is required for burning 1.00 L of hexane (C6H14, density = 0.660 g/mL) completely, yielding carbon dioxide and water
Surendra personal residence originally cost : Surendra's personal residence originally cost $340,000 (ignore any value assigned to land). After living in the house for five years, he converts it to rental property. At the date of conversion, the fair market value of the house is $320,000.
Find the sound level heard by the worker : Two identical machines are positioned the same distance from a worker. The intensity of sound delivered by each machine at the location of the worker is 2.0x10-7 W/m2. Find the sound level heard by the worker
Evaluate the mass of sodium acetate that must be added : Calculate the mass of sodium acetate that must be added to 500.0mL of 0.200M acetic acid to form a pH = 5.00 buffer solution.
Show the continued fraction expansion : Let α be an irrational number with continued fraction expansion [α0, α1, ...]. Show that the continued fraction expansion of -α is

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what are all the sterioisomers of brchdchdbr

What are all the sterioisomers of CHDCl-CH2-CHDBr What are all the sterioisomers of BrCHDCHDBr

  What is the new volume if the pressure is decreased to 325

sample of 30.0 ml of krypton gas kr is at 756 mm hg and 25.0 degree celsius. what is the new volume if the pressure is

  Explain how much gas is left if the car averages

A car is filled with 15.0 gal of gas and is driven 210 miles. How much gas is left if the car averages 24.1 mi/gal?

  Describe what is the molar mass of the gas

A 13.7g sample of an unknown gas occupies 15.5L at a temperature of 17 CELSIUS and a pressure of 743 mmHg. What is the molar mass of the gas

  Evaluate the vapor pressure of water in torr

Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 60.20 g of PbCl4 in 421.0 g of water at 343.0 K. The vapor pressure of pure water at 343.0 K is 233.7 torr.

  Explain the sakur-tetrode equation

Calculate so for cooling 1.00 mol of Ne from 298K to 253K under constant volume conditions using the Sakur-Tetrode equation

  Define the simulation to find the concentration of hydroxide

Use the data in the simulation to find the concentration of hydroxide, \rm OH^-, ions in a 0.100 M solution of \rm HOAc , acetic acid.

  Evaluate the ph at the points in the titration

Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4. (a) When ..

  Determining the free ions of calcium

Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.

  State dp in the thermal polymerization of styrene

The polymerization rate DP are proportinal to the first power of monomer concentration. What would be the effect of monomer concentration on DP in the thermal polymerization of styrene?

  State what was the concentration of the hcl in solution in m

A 25.0 mL sample of an HCl solution is titrated with a 0.139 M NaOH solution. The equivalence point is reached when 15.4 mL of base is added. What was the concentration of the HCl in solution in M?

  Explain what is the solubility of agcl

The Ksp of AgCl is 1.6 x 10-10. What is the solubility of AgCl in 0.010 M AgNO3? Give your answer using scientific notation and to 2 significant figures

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