Half Life Of Cesium 137 Is 30 Years

Half Life Of Cesium 137 Is 30 Years. After how long will only 1 mg remain? (round answer to two decimal places.) how many years is that?

SOLVEDThe halflife of cesium137 is 30 years. S… from www.numerade.com

Y (t) = 130 30 () mg (b) how much of the sample remains after 80 years? (b) how much of the sample remains after 100 years (a) find the mass that remains after t years.

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(a) find the mass that remains after years. (a) find the mass that remains after years.

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How much of the sample remains after 90 years? (round your answer to two decimal places.)

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Thus, this isotope is confined in a lead container to prevent it from being dispersed to the environment. X(t) mg (b) how much of the sample remains after 100 years?

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(round your answer to two decimal places ) mg (c) after how long will only mg remain? B) after 60 years t = 30.

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Y (t) = 130 30 () mg (b) how much of the sample remains after 80 years? Use the radioactive decay model.

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(b) how much of the sample remains after 100 years Then we know the following.

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Then we know the following. In 30 years it becomes half and hence in 60 years it would become 1/4.

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(round answer to two decimal places.) how many years is that? 0.5 = e^(tk) 0.5 = e^(30k) take the natural logs of both sides.

(C) After How Long Will Only 1 Mg Remain?

(a) find the mass that remains after years. (round your answer to two decimal places ) mg (c) after how long will only mg remain? (round answer to two decimal places.) how many years is that?

So We Can Write Equation As.

(round your answer to two decimal places.) <<< this was the first question and i got 9.46 right. After how long will only 1 mg remain?

Thus, E 30 K =.

(round answer to one decimal place.) C) if p(t) =1, let us find t. Y(t) = mg (b) how much of the sample remains after 150 years?

In 30 Years It Becomes Half And Hence In 60 Years It Would Become 1/4.

Y (t) = 130 30 () mg (b) how much of the sample remains after 80 years? (b) how much of the sample remains after 100 years Use the radioactive decay model.

Suppose We Have A 180 Mg Sample.

Find the mass that remains after #t# years. Find the mass that remains after t years. The remainder directly populates the ground state of 137m ba, which is stable.