User Account

All Pages

What is the molar mass of gas

Assignment Help Chemistry
Reference no: EM132029747

A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66 g. It is then filled to a pressure of 0.967 atm at 31 °C with a gas of unknown molar mass and then reweighed to give a new mass of 136.41 g. What is the molar mass of this gas?

Reference no: EM132029747

Questions Cloud

Design a network infrastructure for the two campuses : The Acme Corporation is a new startup that wishes to selltheir new phone to the public called Acmephone, a more secure version of the phone to business.
What is the smallest expected loss in coming year : What is the smallest expected loss in the coming year with a probability of 5 percent?
Depth of the lead contamination plume : The depth of the lead contamination plume is three feet below ground surface.
What are the sharpe and treynor ratios for the fund : Consider the following information for a mutual fund, the market index, What are the Sharpe and Treynor ratios for the fund?
What is the molar mass of gas : It is then filled to a pressure of 0.967 atm at 31 °C with a gas of unknown molar mass and then reweighed to give a new mass of 136.41 g.
Results consistent with the law of constant composition : Are these results consistent with the law of constant composition?
Constructing portfolio of two assets : You are constructing a portfolio of two assets, What is the smallest expected loss for this portfolio over the coming year with a probability of 2.5 percent?
History and the environment : "Mirror, Mirror on the Wall . . ." ~ paradoxes in history ~ "heads and tails," i.e. flip sides (ex: good and bad) of the same event, person, or place.
Describe activities to set up emergency operation center : Briefly describe the activities that need to occur to set up the emergency operation center for your company, and where your company should locate.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the height of the top layer

What is the height (in cm) of the top layer (not including the height of the lower layer) in the cylinder?

  Estimate the approximate zeff felt by a valence electron

The shielding of electrons gives rise to an effective nuclear charge,Zeff , which explains why boron is larger than oxygen. Estimate the approximate Zeff felt by a valence electron of boron and oxygen, respectively

  Which one would you expect to have higher boiling points

In each of the following pairs of hydrocarbons, which one would you expect to have higher boiling points? And Why?

  Define the molar enthalpy of vaporization of the liquid

Suppose that 150.2 J of heat energy is required to completely vaporize 5 g of a pure liquid. If the molar mass of the liquid is 95.64 g/mol, what is the molar enthalpy of vaporization of the liquid

  Define chemical equation for the galvanic cell reaction

What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below

  Explain what is the concentration of ammonia in the solution

Explain what is the concentration of ammonia in the solution if 24.50 mL of a 0.1160M solution of HCl are required to titrate a 100.0 mL of the solution

  Calculate the concentration of ammonium ions

A solution is prepared by dissolving 25.0 g of ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.0 mL sample of this stock solution is added to50.0 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..

  What mass of sucrose should be combined

What mass of sucrose should be combined with 493 g of water to make a solution with an osmotic pressure of 9.00 atm at 320 K? (Assume the density of the solution to be equal to the density of the solvent.)

  Compute the of the solution that results of mixtures

Calculate the of the solution that results from each of the following mixtures: Part A - 55.0 mL of 0.15 M HCHO2 with 70.0 mL of 0.13 M NaCHO2

  There is a way for natural gas fuel cells to be considered

the two most popular types of fuel for fuel cells are hydrogen and methane or natural gas. while hydrogen fuel cells

  Explain what is the ph before any base is added

A 25.0 mL sample of 0.150M hydrocyanic acid is titrated with a 0.150M NaOH solution. What is the pH before any base is added? The Ka of hydrocyanic acid

  Depict the localized electron orbital model

Acetylene (C2H2) can be produced from the reaction of calcium carbide (CaC2) with water. Draw the localized electron orbital model (hybridized orbital model) for the acetylide anion (C22-), showing and lone pair electron orbital.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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