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A voltaic cell is based on the reaction Sn(s)+ I2 (s) --> Sn^2+ (aq)+ 2I^- (aq). Under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 70.0 g of Sn is consumed?
The complete combustion of acetylene, C2H2(g), produces 1300. kJ of energy per mole of acetylene consumed. How many grams of acetylene must be burned
Chemistry - Estimation of Mass Required in a Reaction, With the reaction, CaCO3+2Hcl->CaCl2+H2O+CO2. Using percent by mass what is the weight of HCl needed to react
Mass of Carbonates Needed to Raise Solution pH One Unit, An actual lab titration of a mildly acidic process water at a pH of 4.0 requires 0.9 grams/liter of Na2CO3 to raise the pH from 4.0 to 5.0; re-running the titration but this time using CaCO3..
If 20.0 dm3 of methane, CH4, react with 200.0 dm3 of air at STP, calculate the dm3 of carbon dioxide gas produced.
Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer
A pure gas sample at room temperature (25 C) has an average molecular speed of 682 m/s. What is the identity of the gas.
How long would it take for a radioactive isotope with a half life of 2 weeks to lose at least 70% of its radioactivity? Describe two clinical uses of Radioactivity.
What is the theoretical yield of SO 3 produced by the quantities described in Part A and How many Oxygen molecules are required to react with 7.82g of S?
Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH)2(s) Mg2+(aq) + 2OH-(aq).
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
50.0 ml of 2.00M H2SO4 react with 75.O ml of 2.00M NaOH.Identify the limiting and excess reactants.
Calculate the standard emf for each of the following reactions:a)H2(g) + F2(g)---> 2H+(aq) + 2F-(aq)
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