What is the molar mass of unknown gas if the rate
Under the same conditions, the rate of effusion of Pure Methane (CH4) gas is 47.8 mL/min. What is the molar mass of unknown gas if the rate of effusion of a particular gas was calculated and found to be 24.0 mL/min.
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Develop a 0.99 confidence interval using the sample data given below. (Give your answers correct to two decimal places.)
Discuss what mass of AlBr3 will be formed if 1.00 gram of Al totally reacts with the excess Br2? Aluminum will react with the bromine (Br2) to produce AlBr3.
How can calculate the purpose of using the brine in the experiment, in a lab we completed a reaction, and then washed the ether layer with brine.
A 10.00-gram sample of this mixture is dissolved in the acid, and reacted with excess sodium oxalate to produce a precipitate which is a mixture of the thorium oxalate, Th(C2O4)2 and the calcium oxalate, CaC2O4.
You dissolve the tablet in hydrochloric acid and filter off insoluble material. An antacid tablet has calcium carbonate as the active ingredient; other ingredients include a starch binder.
Determine the value of k for this reaction if the half-life for this reaction is 2.00 s when [NOBr]0= 0.900 M. Explain how much time is needed for the concentration of NOBr to decrease to 0.113 M?
A sample of iron ore which is having 3.33-g, transformed to a solution of iron(II) sulfate, FeSO4, and this solution is titrated with the 0.150 M K2Cr2O7 (potassium dichromate).
Determine the concentration of the Na2S2O3 solution if the 36.30 mL of a0.1100 M I2 solution react exactly with a 100.0 mL sample of the Na2S2O3 solution.
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