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phosphorus-32. is a radioactive isotope with a first order constant of 0.0485 days-1.if a sample has an initial mass of 0.48g of phosphorous-32,how much of the isotope remains after 15.5 days?
If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace
Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10 M acetate ion
Calculate the maximum mass of pure ethanol that can be vaporized in 10 min from a beaker left in strong sunshine, assuming that the surface area of the ethanol to be 50 cm^2
What is the balanced chemical reactions that takes place when h2o2, concentrated h2so4, and Cu(s) is placed in solution. One of the byproducts should be copper sulfate (CuSO4) and there is some gas evolution during the reaction.
What is benzoin condensation and what are the results of it and the uses of this reaction and a detailed assignment of it
since 1 mole of NaOH reacted for each 1 mole of acetic acid in solution, what is the number of moles of acetic acid present in a 10.0 mL sample of vinegar
Methylamine (CH3NH2) is a weak base. In a 0.100 M solution, 6.30% of the base is ionized. What is its Kb
A healthy individual has a blood glucose concentration reported as 122 mg/dL. convert that to units of g/L
dinitrogen pentoxide n2o5 decomposes in the gas phase to form nitrogen dioxide no2 and oxygen gas o2. the reaction is
the mass natural abundance of the isotopes h and d are 99.985 and 0.015 respectively. the mass natural abundance of
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations.
Balance the following equation in basic solution. indicate which reactant becomes oxidized during the reaction, which reactant becomes reduced
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