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Consider a reaction A+B=C has a rate = k[A][B]. The reaction rate is an experiment is carried out where [A]0=[B]0=1.00 M as well as the reaction rate is 0.24 Ms-1. Subsequent to 2.8 min, [A] = 0.60 M, explain what is the reaction rate then?
Carbonate buffers are important in regulating the pH of blood at 7.40. If the carbonic acid concentration in a sample of blood is 0.0012 M, determine the bicarbonate ion concentration required
Show the change in oxidation number (give number of electrons gained or lost per atom: e.g., 3e- gained) in the following reactions:
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
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
Which one of the following molecules has tetrahedral geometry?
An expanding gas does 150.0 J of work on its surroundings at a constant pressure of 1.01 atm. If the gas initially occupied 68.0 mL, what is the final volume of the gas.
Calculate the percent composition by mass of C, H, and O in cinnamic alcohol. How many molecules of cinnamic alcohol are contained in a sample of mass 0.469g.
What is the concentration of HCl in the final solution when 65 mL of a 12 M HCl solution is diluted with pure water to a total volume of 0.15 L
An iron bar of mass 885 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by metal.
Which description best characterizes the length of a hydrogen bond between water molecules?
Methyl tert-butyl ether (MTBE) is make by reaction of methanol(l) with 2-methylpropene(g), according to the subsequent equation. Compute change in kj/mole for 2-methylpropene.
What is the reason for why a sand bath was used instead of a water bath for this particular pressure reaction? (a) Instructor preference (either could have been used with equal success).
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