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The Haber process is utilized to synthesize ammonia from hydrogen and nitrogen. How much hydrogen is required to produce 42.8 kg of ammonia. A 2.0 L vessel is filled with 7.3´ 10-4 mol hydrogen and 6.8´ 10-4 mol oxygen. Explain how much water can be produced
For the reaction Na2CO3(aq)+2HCl(aq)= 2NaCl(aq)+CO2(g)+H2O(l), suppose you have 100 mL of 3.80M Na2CO3. How many milliliters of 0.920 M HCl would you have to add to the sodium to consume the Na2CO3 completely
what is the density of an object having the mass of 8.09 an volume of 25
The land area of Greenland is 840,000 mi2 with 132,000 mi2 free of ice. The average thickness of ice is 5000 ft. The density of the ice is 0.917 g/ml. Calculate the mass of ice in tons
When ammonia is added to nickel ions in aqueous solution, the water molecules bound to the Ni2+ are replaced by ammonia molecules.
Which metal requires higher frequency light to produce photoelectrons. Calculate the minimum frequency that will produce photoelectrons from each surface.
What is the empirical formula of a hydrocarbon if complete combustion or 1.900 mg of the hydrocarbon produced 6.423 mg of CO2 and 1.315 mg of H2O? Be sure to write C first in the formula.
A piece of magnesium (mass=16.2 grams) reacts completely with 10.7 grams of oxygen. In the second reaction you have 61.4 grams of magnesium and 103.7 grams of oxygen
A gas has a volume of 10 L at 0 degrees C. What is the final temperature of the gas in C if its volume increases to 27 L? Assume that amount of the gas and its pressure remain unchanged.
A 0.2678g sample of an unknown acid requires 27.21mL of 0.1164 M NaOH for neutralization to a phenolphthalein endpoint. There are 0.35mL of 0.1012 M HCl used for back-titration. What is the molar mass of the unknown acid
what is the wavelength of the line in the Balmer series of hydrogen corresponding to the transition for n=5 to n=2? the constant for Balmer's equation is 3.2881*10^15 s-1
What is the major disadvantage of using concentrated sulfuric acid (or hydrochloric acid) rather than 85% phosphoric acid for the dehydration of alcohols?
Write a balanced chemical equation when Magnesium metal burns in oxygen to form magnesium oxide, MgO
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