State what is the mole fraction of helium in the solution

Assignment Help Chemistry
Reference no: EM13181008

if 2.0 g of helium gas and 5.46 g of oxygen gas are mixed togeher, what is the mole fraction of helium in the solution?

a) 0.268

b) 0.254

c) 0.745

d) 0.171

e) 1.34

Reference no: EM13181008

Questions Cloud

Explain the vapor pressure of the solution : salt solution sits in an open beaker. Assuming constant temperature and pressure, the vapor pressure of the solution
What is the regulation or statute for : How do you propose to enact these standards when you are an administrator?  What is the regulation or statute for? Who does the act protect? What are the consequences for violating it? Why are laws like this good for protection? How do you propose..
In the cooper and shepard experiment : In the Cooper and Shepard experiment (1973), participants were asked to decide whether a stimulus  (a letter) was normal (simply rotated in the picture plane) or backwards (flipped to its mirror  image before the rotation).
Annual food service convention : The National Restaurant Association holds an annual food service convention in Chicago every year. This is a coveted event for many vendors to restaurants and hotels. Since this is an established event, there are hundreds of vendors at the trade show..
State what is the mole fraction of helium in the solution : if 2.0 g of helium gas and 5.46 g of oxygen gas are mixed togeher, what is the mole fraction of helium in the solution?
What he though of the vietnamese people : When harry returned from a business in ho chi minh city vietnam his wife asked him what he though of the vietnamese people harry replied they're primitive people who eat animals from the streets drive wildly around town on motor scooters and talk ver..
State octene and ethene and design a synthesis : Use any other reagents that you need. Hint: you may first want to conduct some chemistry on each alkene first, then use the resulting products to make 1-decanol.
Which numbered expression can be used : Nick can throw a baseball three more than 4 times the number of feet, f, that Jeff can throw the baseball. Which numbered expression can be used to find the number of feet that Nick can throw the ball?
Give the significant trend of declining oil price : Accordingly, many analysts in the energy field have had predicted the likelihood of further decline in oil price in the US market as the US continues to expand its domestic oil production with a long term objective of becoming even net exporter of..

Reviews

Write a Review

Chemistry Questions & Answers

  Determined that each molecule of the unknown base

determined that each molecule of the unknown base could accept two protons. What is the molar mass of this unknown compound?

  Describe positive iodine-starch test

List five food product would give a positive iodine-starch test for carbohydrate mention somthing beside potato

  At what temperature would a 1.20 m nacl solution freeze

At what temperature would a 1.20 M NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? K_f for water is 1.86 C/m

  Compute the number of moles of hcl

Value of E: 1.3 g x 1 mole/100.09=1.29 x 10-2 moleCaCO3 Using the value in your answer to question E., calculate the number of moles of HCl that two TUMS

  What is the molar concentration of the ammonia

If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?

  State a balanced equation for its formation

Write the structure of the compound that would result if the adduct were heated too long in the recrystallization solvent (CH3OH)

  Decreasing the total pressure

How is the equilibrium yield of C6H12O6 affected by each of the following? 6 CO2(g) + 6 H2O(l) + HEAT C6H12O6(s) + 6 O2(g) (a) increasing PCO2 increases decreases no effect

  Calculate the work of expansion of the gas

Calculate the work of expansion of the gas in joules (1 J = 9.87 10-3 atm·L). Assume all the energy is used to do work.

  Calculating solubility of copper sulfide

Work out the solubility of copper(II)sulfide. Take it that 1 litre of the mixture weighs 1 kg. (in g/100g), CuS (s) Cu^2+ (aq) + S^2- (aq)

  Compute the concentration of the acetate ion

Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions? I am a process engineer in wood pulping operation in which we use steam to digest hardwood chips. This is non-chemica..

  Calculate the solubility of potassium bromide

calculate the solubility of potassium bromide at 23 degrees celuius.assume that the solubility increases by an equal amount for each degree between 20 and30 degrees

  What are the likely ground-state electron configurations

What are the likely ground-state electron configurations of the following anions? Se2-, N-3

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