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Hydrogen gas can be prepared by reaction of zinc metal with aqueous HCl : Zn(s) + 2HCl(aq) = ZnCl2 (aq) + H2 (g). How many liters of H2 would be formed at 530mm Hg and 16C if 27.0g of zinc was allowed to react?
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
A 357 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
The decomposition of hydrogen peroxid is second order in H2O2. If 50 grams of 30% hydrogen peroxide is placed in a beaker within a sealed environment, what will be the concentration of hydrogen peroxide
Lactic acid is a monoprotic acid with a Ka of 1.4 x 10-4. What is the percent ionization of a 0.100 M lactic acid solution in the absence and presence of 0.0500 M sodium lactate
If you wanted to know how much carbon there is in a 100kg person, what information would you need? Try to calculate the amount of carbon in a 100kg person.
Draw the energy profile diagram to show the possible intermediate and the transition states.
What is the potassium concentration of a solution formed by combining 50.0 mL of 0.400 M KCl with 50.0 mL of: a) 0.100 M PdCl6, b) 0.800 M PdCl6 , c) water, d) 0.200 M PdCl6 (If The Ksp for K2PdCl6 = 6 x 10^-10)
After the resulting reaction was complete, back titration required 10.40 mL of 0.1212 M NaOH. Assuming that the tablet contained only calcium carbonate and an inert binder calculate the mass of calcium carbonate and mass percent of calcium carbona..
A physiological saline solution contains 154 mEq/L each of Na+ and Cl-. How many moles of Na+ are in 1.00L of the saline solution?
the molecules water and methane have similar masses but methane changes from a gas to a liquid at -161 degrees celsius.
How many cm3 of carbon tetrachloride are produced when 8 L of chlorine are allowed to react with .75L of methane at STP?
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