The activity of a sample of ba-137m has reduced by 75 from
The activity of a sample of Ba-137m has reduced by 75% from its initial activity after 5.10 minutes. Explain what is the half-life of Ba-137m? Define what fraction of activity remains after 6.25 minutes? (A=Aoe (-kt); k = .693/t1/2)
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the reaction of 668 of carbon with excess o2 yields 1305 g of co2 explain what is the percent yield of the
1 does absorbance increase or else decrease as the solution concentration of the absorbing substance increases and why2
a first order reaction has activation energy of 501 kjmol as well as a frequency factor arrhenius constant of 827 x
compute the ph of a buffer solution prepared by dissolving 42 g of nahco3 and 53 g of na2co3 in 020 l of water explain
the activity of a sample of ba-137m has reduced by 75 from its initial activity after 510 minutes explain what is the
explain how many free ions are there on the product side of the total ionic equation that results from the reaction
state the equilibrium constant expression in terms of reactant as well as product concentrations for the following
1 the density of an unknown vapor is 175 gl the pressure is 689 mm hg as well as the temperature is 700 acircordm c
1would the dean-stark trap be valuable if the density of the ester product were greater than that of water2 in this
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Create an eight to twelve (8 - 12) minute video in which you answer the question a. "What is the Gospel?"
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