[Answered] After one half-life, 50 of a radioactive sample will remain. After the second half-life, none of the ...

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Author Question: After one half-life, 50 of a radioactive sample will remain. After the second half-life, none of the ... (Read 134 times)

LaDunn

Hero Member
Posts: 526

on: Aug 27, 2018

After one half-life, 50 of a radioactive sample will remain. After the second half-life, none of the radioactivity will be left.

Indicate whether the statement is true or false

Question 2

The use of gasoline is an endothermic reaction.

Indicate whether the statement is true or false

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tdewitt

Sr. Member
Posts: 318

Reply #1 on: Aug 27, 2018

Answer to Question 1

FALSE

Answer to Question 2

FALSE

LaDunn

Hero Member
Posts: 526

Reply #2 on: Aug 27, 2018

Both answers were spot on, thank you once again

tdewitt

Sr. Member
Posts: 318

Reply #3 on: Aug 27, 2018

Great! Please up vote

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Author Question: After one half-life, 50 of a radioactive sample will remain. After the second half-life, none of the ... (Read 134 times)

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