Explain a gas of unknown molecular mass was allowed

Assignment Help Chemistry
Reference no: EM13492410

A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 62 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 33 s for 1.0 L of O2 gas to effuse. Calculate the molar mass of the unknown gas. (Remember that the faster the rate of effusion, the shorter the time required for effusion of 1.0 L; that is, rate and time are inversely proportional.)

Reference no: EM13492410

Questions Cloud

What was the price of this bond when it was issued : Suppose you purchase a 10-year bond with 6% annual coupons. You hold the bond for four years, and sell it immediately after receiving the fourth coupon. If the bond’s yield to maturity was 5% when you purchased and sold the bond
Financial statements for oracle corporation : Financial statements for Oracle Corporation and Microsoft Corporation, respectively, you will calculate and compare the financial ratios listed further down this document for the fiscal year
Explain the lowest and highest energy interactions : From the following interactions select the lowest and highest energy interactions. A) a +3 and a +1 charge separated by 3 m B) a -1 and a -2 charge separated by 4 m C) a -1 and a +3 charge separated by 2 m
Compute and compare the rms speeds of co and cl2 : Place the following gases in order of increasing average molecular speed at 300. K: CO, SF6, H2S, Cl2, HBr. (Use the appropriate symbol to separate substances in the list.) chemPadHelp SF6
Explain a gas of unknown molecular mass was allowed : A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 62 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 33 s for 1.0 L of O2 gas to effu..
Define what is the partial pressure of each component : A mixture of gases contains 1.35 g of N2, 2.64 g of H2, and 2.38 g of NH3. If the total pressure of the mixture is 1.64 atm, what is the partial pressure of each component. PN2 atm PH2 atm PNH3 atm
Explain what is the partial pressure of so2 in the larger : A sample of 7.50 g of SO2(g) originally in a 5.00-L vessel at 18°C is transferred to a 10.0-L vessel at 25°C. A sample of 9.00 g N2(g) originally in a 2.50-L vessel at 20°C is transferred to this same 10.0 L-vessel
Advise who should be appointed as directors of company : What ramifications does this have for Mr. Shifty, assuming that ASIC's records show that Mr. Shifty has, over the last nine months, had a similar track record with two other small, proprietary companies?
Calculate the drift speed of conduction electrons in wire : An iron wire has a cross-sectional area equal to 3.50x10^-6 m2. Carry out the following steps to determine the drift speed of the conduction electrons in the wire, Calculate the drift speed of conduction electrons in this wire

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the ratio of the concentration

Compute the ratio of the concentration of H 2 CO 3 to that of the HCO 3- if The pH of a bicarbonate-carbonic acid buffer is 8.50

  Describe a cyclic anhydride

There are two stereoisomeric 1,3-cyclobutane carboxylic acids. one can form a cyclic anhydride, the other can not. draw the structures of theses compounds and indicate which one can be converted to a cyclic anhydride. explain

  Explain how many milliliters of na2s2o2 solution are needed

How many milliliters of 0.270 M Na2S2O2 solution are needed to titrate 2.303 of I2 according to the equation below

  What is the theoretical yield for the equation

what is the theoretical yield for the equation

  State the initial ph beyond the equivalence point

The initial pH. the volume of added base required to reach the equivalence point the pH at 12.0 mL of added base

  Evaluate change in heat of water vapor steam

Calculate change in heat when 18.80 g of water vapor steam at 100 C condenses to liquid water and then cools to 20.5. the molar heat capacity of water is 75.3 J/ (mol x C). Delta Hvap= 40.67 KJ/mol.

  Evaluate what is the mole fraction of ethanol

What is the mole fraction of ethanol, CH3CH2OH, in an aqueous solution that is 20.0% ethanol by mass? 0.150

  What is the mass (in grams) of the sample

You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.

  Define what state did the electron originate

An excited hydrogen atom emits a photon with a frequency of 1.141 x 10^14 Hz to reach the n = 4 state. From what state did the electron

  Calculate the smallest increment of energy that an object

calculate the smallest increment of energy that an object can absorb from yellow light whose wave length is

  Explain how quickly is g increasing

Consider the reaction, 2 D(g) + 3 E(g) + F(g) => 2 G(g) + H(g) When [F] is decreasing at 0.60 mol/Ls, how quickly is [G] increasing

  How many grams of potassium carbonate does he need

Hydrobromic acid reacts with potassium carbonate to form potassium bromide,carbon dioxide , and water. Barney the incompetent lab tech accidently knocked a flask containing 255ml of 0.500 M hydrobromic acid onto the floor, and now he has to clean ..

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