What is the molar mass of the unknown gas

Assignment Help Chemistry
Reference no: EM13155935

A sample of an unknown gas effuses in 11.7 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.23 min. What is the molar mass of the unknown gas?

Reference no: EM13155935

Questions Cloud

How can comparing between k- means and cluster tree : How can comparing between k- means and cluster tree by criteria or test statistics in sas program And what is the statistics rule can be use
Convert degree temperature to a standard score : If you have a body temperature of 99.00 °F, what is your percentile score? Convert 99.00 °F to a standard score (or a z-score).
Determine the tax savings for sue on each of the mortgages : Calculate the marginal tax rate obtained for a 30-year mortgage loan at 6.75 percent and a 15-year mortgage loan at 6.5 percent and determine the tax savings for Sue on each of the mortgages.
Components of an effective ethics program : Describe the characteristics of at least 2 components of an effective ethics program. Define why you chose these components as the most important requirements for managing a formal business ethics program.
What is the molar mass of the unknown gas : A sample of an unknown gas effuses in 11.7 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.23 min. What is the molar mass of the unknown gas?
When will they achieve that goal : In an effort to bring inflation down they had set interest rates at 5% in 2018. How should the federal reserve react if they desire to bring inflation down to 3%. When will they achieve that goal? (Hint: maintain plenty of decimal places.)
What is the equilibrium constant : What is the equilibrium constant for the following reaction CO(g) + 2 H2(g) ↔ CH3OH(l); [CO] = 0.788 M and [H2] = 0.872 M?
Explain hydrogen gases is found to be first-order : The decomposition of dimethyl ether (CH3OCH3) to methane, carbon monoxide, and hydrogen gases is found to be first-order.
Analyze (t test), analyze (chi square), improve (doe) : Analyze (T Test), Analyze (Chi Square), Improve (DOE), Improve (Scatter Diagram), Scatter, Control (XmR Chart), and Control (Pp Ppk) from the manufacturing project?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the ratio of the number of moles

The air in the balloon is then heated to 62 degree celsius, causing the balloon to expand to a volume of 4.20x10^3 m^3. What is the ratio of the number of moles of air.

  Dilution of the stock solution

prepare 10 ml of solution that represents a 4 fold dilution of the stock solution

  How many grams of ch2oh are produced

If 5.0 g of H2 are reacted with excess CO, how many grams of CH2OH are produced, based on a yield of 86%?

  Calculate g for an sulphur trioxide

Consider the reaction CuSO4(s) ! CuO(s) + SO3(g) . If G? = -14.6 kJ at 950?C for this reaction, calculate G for an SO3(g) pressure of 50 bar at this temperature.

  How much no2 would effuse

if 0.00484 mol N2O effuses through an orifice in a certain period of time, how much NO2 would effuse in the same time under the same conditions ?

  How many liters of n2 gas result

How many liters of N2 gas result at 25.0oC and 1.10 atm pressure when 125 grams of NaN3 react

  What is the molar mass of the carbohydrate

An unknown carbohydrate compound has the empirical formula CH2O. A solution consisting of 0.515 g of the carbohydrate dissolved in 1.717 g of acetic acid freezes at 8.8°C

  Find kc for the reaction

A student mixes 5.0 mL 2.00 x 10-3 M Fe(NO3)3 with 4.0 mL 2.00 x l0-3 M KSCN, and 1.0mL deionized water. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 1.2 x l0-4 M.

  Calculate the specific enthalpy of o2 in this state

Oxygen at 150 K and 41.64 atm has a tabulated specific volume of 4.684 cm3/g and a specific internal energy of 1706 J/mol.

  What is the gas mileage

If an automobile is able to travel 247 mi on 10.8 gal of gasoline, what is the gas mileage in km/L.

  What is the charge on the ruthenium ions in solution

an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?

  Explain non-bonding pairs or unshared pairs

Consider all the valence electron pairs of the central atom-both those that are shared in covalent bonds, called bonding pairs, and those that are unshared, called non-bonding pairs or unshared pairs.

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