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2 C2H6 (g) + 7 O2 (g) = 4 CO2 (g) + 6 H2O(g)
a) Which species is oxidized?
b) whick species is reduced?
c) How many grams of oxygen gas are required to completely react with 77.28g of ethane (C2H6)?
All of the common noble gases are mono atomic and low boiling. Their boiling points in °C are: Ne,-245: Ar,-186;Kr,-152: and Xe, -107. Using the periodic relationship between the noble gases, predict the boiling point of Radon
starting with an aqueous solution of 115 ml of 0.35 m pyridine kb 1.7 x 10-9 determine the observed ph of the solution
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol..
What is the molality of ethanol in a solution made by dissolving 14.6 g of ethanol, C2H5OH, in 53.6 g of water?
Important information about AP Chemistry a. S(2)O(3)^2- (aq)+I(3)^- (aq) ->S(4)O(6)^2- (aq) + I^- (aq) b. Mn^2+(aq) + HBiO(3) (s) ->MnO(4)^- (aq) + Bio^+ (aq) (acid)
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added.
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization.
What is the concentration of H+ in 0.0025 M HNO3? What is the pH of this solution? What is the OH- concentration in this solution
a bottle containing 300 g of cleaning solution is used for carpets. if the cleaning solution has a specific gravity of
what is the chemical calculation to figure out the follow: how many moles of the indicated solute does the following contain, 12.5 mL of 0.104 M HCL
A certain first-order reaction (A->product) has a rate constant of 7.50×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
A benzylic carbocation is generated under the conditions of part A. would the presence of a para CH3O- group on the benzene ring
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