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Calculate the mass of each product formed when 244 g of silver sulfide reacts with excess hydrochloric acid. Ag2S(s) + HCl(aq) -------> AgCl(s) + H2S(g)
A mixture of gases contains 7.5g hydrogen and 29.6 nitrogen with a total pressure of 127 torr. Calculate the solubility of nitrogen gas
A graduated cylinder contain s 23.0 mL water. what is the new water level after 35.6 g of silver metal is submerged in the water?
How can i derive the equation dG= RT ln (Q/K) from the following two equations: dGrxn= dGrxn standard + RT ln Q and dGrxn standard= -RT ln k? I am extremely confused
Write the complete stepwise mechanisms for reactions below. Show all intermediate structures and all electron flow with arrows.
A 128.2-mL sample of a 0.15 M solution of H3PO4 is titrated with 0.18 M NaOH. What volume of base must be added to reach the third equivalence point
You have a solution of NaCl dissolved in water. Describle a method by which these two compounds could be separated.
If the cylinder then sits in the storage at 293 K for a long time, what is the entropy change of the universe (from the original unfilled state)?
Pt(NH3)2cl2+h2o yields pt(NH3)2(H2o)cl+cl- has a rate that increases by a factor of 15 and a temeprature that inceases from 25 tp 50 degrees celsius what is the value of Ea?
If the initial concentration of AB is 0.260 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 80 s?
Consider a glass of 262 mL of water at 28°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
Express the concentration of a 0.0850 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
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