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How do chemists envision reactions taking place in terms of the collision model for reactions?
for a voltaic cell involving pb as the anode and ag as the cathode what would be the initial voltage of the cell if the
A 1.25g sample of copper ore was dissolved in acid and diluted to 250.0 mL. A 20.00 mL portion was diluted to 50.00 mL. The copper concentration of this solution was 4.62 ppm. What is the weight percentage of copper in the ore
during one of the processes at the plant. The two liquids are blended until a specific gravity of 1.445. Determine the mole percentage of the two components in the blend.
How many moles of oxygen atoms are combined with 4.20 moles of chlorine atoms in Cl2O7?
If 500 ml of 0.20 M NaCN is treated with 500 mL of an HOCl solution to produce a resultant solution with pH 7.00, calculate Mi for this HOCl solution. Show all pertinent work including reaction equations but not arithmetic.
Cyclohexyl carbocation undergoes attack by nucleophiles. With this in mind, propose a mechanism whereby cyclohexene might form the dimer 31 in the presence of H3O+. Note that this type of reaction leads to polymerization of cyclohexene.
Calculate the integral of dqrev / T for each of the 4 steps in the Carnot cycle of, and sum them to prove that their sum equals zero
calculate the number of grams of sulfuric acid in 0.500 l of battery acid if the solution has a density of 1.28gml and
Write the molecular equation for the combination of KNO3 (aq) and BaCl2 (aq). Include states of matter. I wrote 2KNO3 (aq) + BaCl2 (aq) ---> 2KCl (aq) + Ba(NO3)2 (aq) but it says it is wrong.
Calculate the atomic mass of the metal. A 0.194 gram sample of a metal, M, reacts completely with sulfuric acid according to: M + H2SO4 --> MSO4 + H2
2 hcl aq mgs lt--gt mgcl2 aq h2 g heat. when the temperature is increased in the system referenced above the
Gas mixture contains helium and oxygen @ partial pressures of 255 torr and 0.450 atm. what is the total pressure in mmHg of the mixture after it is placed in a container 1/2 the volume of the original
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