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Radioactive phosphorus is used in the study of biochemical reaction mechanisms because phosphorus atoms are components of many biochemical molecules. The location of the phosphorus (and the location of the molecule it is bound in) can be detected from the electrons (beta particles) it produces:$_{15}^{32} {P} \longrightarrow_{16}^{32} {S}+{e}^{-}$Rate $=4.85 \times 10^{-2}$ day $^{-1}[32 {P}]$What is the instantaneous rate of production of electrons in a sample with a phosphorus concentration of 0.0033 M?
$1.6 \times 10^{-4} \mathrm{M}$ day $^{-1}$
Chemistry 102
Chapter 12
Kinetics
Drexel University
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University of Kentucky
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Lectures
22:42
In probability theory, the…
04:55
In chemistry, kinetics is …
06:16
Phosphorus occurs in natur…
03:01
03:17
The rate constant for the …
01:10
Tracing Phosphorus in Orga…
01:26
The radionuclide 32 $\math…
01:46
Phosphorus-32 2 is a commo…
02:01
Phosphorus $32\left(^{32} …
02:56
Phosphorus-32 is a commonl…
02:02
What is the half-life for …
03:46
Phosphorus-32 is used in t…
00:55
Phosphorus- 32 is used in …
03:21
Phosphorus is required to …
02:28
A method called neutron ac…
06:19
The activity of a radioact…
01:34
Use an exponential model a…
05:49
02:34
Radioactive Decay The half…
03:25
The half-life of the radio…
09:31
A patient swallows a radio…
01:16
The $\beta^{-}$ decay of p…
who have won. This is Ricky and today, working on problem number 18. And we're going to be describing the instantaneous rate of production of electrons in a sample of phosphorus with a concentration of Wait. Oh! 03 All right, So and we also know that phosphorus to case the selenium within electron at the rate oh, 4.85 times 10 to the negative second phosphorus per day. All right, so first and we should right down the, uh, great equation rate equals came uh, folks First, this is radioactive phosphorus. When this is equal to 4.85 times sent in a second phosphorus per day times concentration prospers went Oh, free Moeller. And we get that C one. We get 1.6 times 10 to the negative forth muller per day. It's the rate of of decay of phosphorus. And so we know that based on road mint mueller ratios, that phosphorus breaks down into selenium at a 1 to 1 ratio. And so we will we'll see, eh? If it if a negative 1.6 some sense of that fourth more today is the rate of decay of phosphorus. That means positive 1.6 times since. And they got four more per day will be our rate of formation for selenium and the electrons. So hope this video shuffle, See, unlike some
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