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A 1.00 L solution contains 3.50 x 10^-4 M Cu(NO3)2 and 2.20 x 10^-3 M ethylenediamine (en). The Kf for Cu(en)2^2+ is 1 x 10^20. What is the concentration of Cu^2+ (aq) in the solution?
The decomposition of potassium chlorate (KClO3 ) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 24.1 mol of oxygen?
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
If one mole of ATP yields 7 kcal of energy, how much energy would be available from the anaerobic catabolism of 270 g of glucose (C6H12O6)? Show your work.
ow many milliliters of 0.200 M NaOH will be required to titrate 8 mL of 0.479 M H2SO4
Important information about AP Chemistry a. S(2)O(3)^2- (aq)+I(3)^- (aq) ->S(4)O(6)^2- (aq) + I^- (aq) b. Mn^2+(aq) + HBiO(3) (s) ->MnO(4)^- (aq) + Bio^+ (aq) (acid)
Write a balanced reaction for the acid-base reaction of diethylbenzyl phosphonate with sodium hydroxide. Which hydrogens are the most acidic?
A 15 mL sample of a solution of Pb(ClO3)2 was diluted with water to 19 mL. A 15 mL sample of the dilute solution was found to contain 0.027 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution.
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?
What would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state, C= 12.47 J/Kmol.?
At an altitude of 30 km, the temperature in the stratosphere is approx. -45.3 degrees F. What is the average kinetic energy of a single CF2Cl2 molecule at this temperature?
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
As a bromine molecule approaches perpendicular to the negatively charged pi cloud of the carbon-carbon double bond, its bonding electrons are repelled away from the bromine atom nearer the double bond
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