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A sample of hydrated salt of 1.15 grams ZnSO4.xH2O is dissolved in H2O and the sulfate ion is precipitated by adding an excess of BaCl2 solution. The mass of pure and dry BaSO4 precipitated =0.9335g. What is the formula of the zinc sulfate hydrate? name this compound.
If the gas is at 24 degrees Celsius and 1.0 atm, what mass of helium is in the blimp?
When ammonia is added to nickel ions in aqueous solution, the water molecules bound to the Ni2+ are replaced by ammonia molecules.
5.00 moles of ammonia are introduced into a 5.00L reactor vessel in which it partially dissociates at high temperatures. 2NH3(g)?3H2(g)+N2(g). At equilibrium at a particular temperature,
Show whether or not precipitate will form in this process when the Ksp of Pbl = 9.8*10 -9
What mass of precipitate forms when 157.5 mL of 0.749 M NaOH is added to 517 mL of a solution that contains 10.9 g aluminum sulfate per liter
if 5.00 g of each NH3, O2, and CH4 are reacted, what mass of HCN will be produced, assuming 100% yield
What are the possible values of the magnetic quantum number A.) all the positive integers: 1,2,3, etc. B.) represented by the formula: m = 2k + 1, where k is a positive integer C
When an aqueous NaCl solution is electrolyzed, how many faradays need to be transfered at the anode to release .100 mol of Cl2 gas
Write the half-cell reaction for the oxidation. Write the half-cell reaction for the reduction. Write the balanced equation for the cell reaction. Keep substances in the order given in the original equation.
Grignard reagent and carbonyl-containing compound. Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Gr..
This increases to 0.010 Msec^-1 at 90 degrees C. Calculate the activation energy for this reaction.
Sodium bicarbonate is often used as an antacid to neutralize excess hydrochloric acid in an upset stomach. What mass of hydrochloric acid (in grams) can be neutralized by 2.3g of sodium bicarbonate?
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