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Compute the total pressure atmosphere (atm) of a mixture of helium gas, He of 0.0200 mol and 0.0100 mol of hydrogen, H2 in a 2.50L flask at 10 degrees celcius
A sample of water 53 g with a temperature of thirty six degree celsius is combined to 250 grams of H2O at 91 degree Celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
Determine the percent yield for the reaction and also find out at which point the total pressure = 188 torr.
Determined if CS 2 of 2.500 grams mix with an excess of chlorine gas , 9.310 Kilo joule of heat is evolved. What sort of reaction is this , Is the reaction exotermic also find out delta H for the reaction?
What is the volume of Ammonia gas is dissolved in 40.0 mL of 15.0 M NH 3 solution at STP and Determine what is the vapor pressure of a solution made by dissolving 65.4grams ammonia in 259 grams of H 2 O at 55.0 ºC?
Require to apply to neutralize the acidity that concluded from nitrification and determine how much CaCO 3
Determine how many atoms there are in 1 gallon using your knowledge of mole calculations and unit conversions. Assume that the molecular formula for gasoline = C6H14 ,the density of gasoline =0.85 grams/mL
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
Calculate empirical formula of this compound & molecular formula and calculate the molality of solution of sulfuric acid?
In Horner-Wadsworth-Emmons reaction, a 1,2-disubstituted alkene was produced in which the olefinic protons exhibited at vicinal coupling of 9.0 Hz in the 1H NMR. What is the stoichiometry of the double bond.
Designing and preparing aqueous buffer solution with the pH indicated.
A woman requires taking ibuprofen twice daily in 625mg amount. Each pill in the bottle is 250 mg then determine the number of pills the woman requires to consume each time she needs 625mg dosage
The _______ of a titration occurs when the indicator changes color.
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
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