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Consider the cell reaction
Sn(s) + Cu2+(aq) ? Sn2+(aq) + Cu(s).
The value of Ecell is 0.447 V at 25°C. Calculate the value of ?G° and K for this cell.
How many Valence electrons, bonding electrons, and lone pair electrons are present
A hydrocarbon undergoes complete combustion to form 6.9 g CO2 and 2.8 g H2O. What is the empirical formula for the hydrocarbon?
What is the positional entropy at absolute zero for two moles of CF3Cl?
How many products are formed in this reaction? Which of the products are triatomic molecules? How many of the substances involved in this reaction are compounds?
Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935 M HCl(aq). What percentage of the impure s..
If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car?
The half-life for a first-order reaction is known to be 379 seconds at a given temperature. What is the rate constant at this temperature?
Consider the reaction 2KClO_3(s)\rightarrow 2 KCl(s)+3O_2(g) and the following table of values: Substance Delta G (kJ/mol) KClO_3(s) -296.3 KCl(s) -409.2 O_2(g) 0 State whether it would be worthwhile to investigate finding a catalyst to use in thi..
A 150.0-g sample of a metal at 75.0°C is added to 150.0 g of H2O at 15.0°C. The temperature of the water rises to 17.5°C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the me..
sketch the corresponding Gibbs free energy curve showing all phases that appear on the sketch. Indicate the equilibrium phase compositions.
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps.
A flask is charged with 0.140 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g) B(g) The following data are collected. times (s) 0 40 80 120 160 moles of A 0.140 0.068 0.049 0.031 0.019 (a)
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