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Given the following two half-reactions, write the overall balanced reaction in the direction in which it is
spontaneous and calculate the standard cell potential.
Ga3+(aq) + 3 e- Ga(s) E = -0.53 V
Sn4+(aq) + 2 e- Sn2+(aq) E = +0.15 V
What is the concentration for each substance at equilibrium for the following gaseous reaction if the initial concentration of ethene,
AgBr is the light-sensitive compound in most photographic films. Assume, when film is exposed, that the light energy absorbed dissociates the molecule into atoms.
what is the intermediate of the photochemical isomerization of (E,E)-2,4-hexadiene to (Z,E)-2,4-hexadiene ? Draw the structure of this nternediate
A diamond weighs 5.35 ounces. How much is it worth if the going price of diamonds is 627 dollars per carat? 1 carat is equal to 200 milligrams
an experiment was performed to determine the amount of pyridoxine (B6) in a vitamin tablet. A tablet weighing 0.4006g was dissolved in 25mL of solution
that the reaction was endothermic. If the enthalpy of reaction is negative, then we say that energy was released or that the reaction was exothermic. Most chemical reactions are exothermic.
If the total pressure inside the container is 350 mm Hg , what is the partial pressure of each individual component?
a canister contains 425 kpa of carbon dioxide, 750 kpa of nitrogen, and 525 kpa of oxygen. What is the total pressure of the container?
A 10.80-mL sample of sulfuric acid from an automobile battery requires 35.18-mL of 1.62 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
How many peaks would you expect to see in the decoupled 13C spectrum of 4-chlorohept-1,6-diene?
Exactly 5.00 days later, the rate of decay was found to be 177 disintegrations per minute. Calculate the half-life, in days, for the decay of this sample.
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