What is the age of a rock whose 40ar 40kratio is 125 the
What is the age of a rock whose 40Ar /40Kratio is 1.25? The half-life of 40 K is 1.28 times 10^9years Formulas ln(N)t/(N)o =-k+ + 1/2 =0.693 /k
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which of the following series would have the highest ph a 1 m h2s b 01 m h2s c 1 m hno2 d 01 m
a 100 kg crate is pulled up a rough incline with an initial speed of 15 ms the pulling force is 100 n parallel to the
10 tin can be added to copper in the molten state and cooled to give a substitutional solid solution known as bronze
ryan 60kg started from rest and ran down a sand dune his weight and his feet gave a 355n force down the incline while
what is the age of a rock whose 40ar 40kratio is 125 the half-life of 40 k is 128 times 109years formulas lnntno -k 12
a 75 g chunk is heated to 100 celsius and the dropped into 05 kg of water initially at 22 celsius after a short time
the most important commercial process for generating hydrogen gas is the water-gas shift reaction ch4g h2og cog 3h2g
you have been hired to evaluate the payroll systems for the skip rope manufacturing company the company processes its
a home run just clears a fence 105 m from home plate the fence is 400 m higher than the height at which the batter
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