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A 100mL reaction vessel initially contains 2.60x10^-2 moles of NO and 1.30x10^-2 moles of H2. At equilibrium the concentration of NO in the vessel is 0.161M. At equilibrium the vessel contains N2, H2O and H2. What is the value of the equilibrium constant Kc for the following reactions?
2H2(g) + 2NO(g) <---> 2 H2O(g) + N2(g)
Molar Mass of Sulfur based on molality, What would the molar mass of sulfur be based on the following data and information?
Calculate the molar solubility of FeCO3 . How many grams of FeCO3 are present in 15.0 L of a saturated solution.
Calculate the heat of formation, Hof, of pentane given that the Hof of H_2O(l) is -285.3 kJ mol-1 and Hof of CO_2(g) is -393.5 kJ mol-1
Calculate the ph at the equivalence point for titrating 0.170 solutions of each of the following bases with 0.170 M HBr.
Hemoglobin has a mass of about 67,000 g/mol. It is 0.3335% iron by mass. How many iron atoms are in a molecule of hemoglobin?
Compound Z has a solubility limit of 32.5 g/L in diethyl ether. Compund Z has a solubility limit od 2.5 g/L in water. You are given a 100 mL aqueous solution that contains 200 mL of compund Z. If you do three 33.3 mL extractions of Z using diethyl..
Chemistry Questions on Calculate P H
Discuss the importance of economics as it relates to pollution prevention. Supple at least two seperate examples to augment your discussion.
Nuclear reactions is expressed in given reaction as 2/1H +2 /1H→3/2He + ? ; 233/92U+1/0n→133/51Sb+98/41Nb+?1/0n
How many moles of HIO3 are produced when 1.29 grams of ICl3 and 7.81 grams of H2O react
complete the following chart of gas properties. For each positive observation, write a balanced chemical equation to describe the process.
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
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