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You are given a box containing at equilibrium at 1000 K 0.102 moles/liter NH3, 1.03 moles/liter N2, and 1.63 moles/liter H2 for the reaction N2(g)+3H2(g)=2NH3(g). Calculate Kp
According to the law of conservation of mass, what is the mass of oxygen that reacted with the iron. Calculate the number of moles of oxygen in the product.
An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc nitrate and a silver cathode in contact with a 0.0042 M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation f..
Draw the major organic product from reaction of 1-butyne with NaNH2, then CH3Br. If no reaction occurs, write ethane, CH3CH3.
A mixture of nitrogen and oxygen gas is collected by displacement of water 30 degrees celsius and 700 torr Hg pressure. If the partial pressure of nitrogen is 550 torr Hg, what is the partial pressure of oxygen? (Vapor pressure of H2O at 30 degree..
Calculate Ka for hydrogen peroxide. you may use the reactions given on the data sheet, Kw=1.0x10^-14. Assume that hydrogen peroxide is a monoprotic acid.
Compute ΔU for the transformation; a = 0.136 m6Pa mol-2 ; b = 0.0391 L/mol.
How many calories of heat are necessary to raise the temperature of 350 ml of water from 1.00oC to 5.00oC.
The Ka of phenol, C6H5OH, is 1.00 x 10-10. What is [OH-] in a 0.874 M solution of phenol? Use E notation and 3 significant figures.
A sample of a gas weighs 2.006 g and has a volume of 1060.0 mL at 795.0 torr and 32.0 degrees Celsius. What is its molar mass?
What is the PH of 5ml 0.10 M HC2H3O2 + 5ml H2O. Can you also explain how to approximate when finding [H+].
How much heat is required to warm 1.20 L of water from 20.0 degrees C to 100.0 degrees C ? (Assume a density of for the water.)
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
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