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Write a metaphor about someone who is very stubborn

asked Mar 13, 2017

English
middle-school

2 answers

2 votes

58.2k views

What is the half-life of a radioisotope if 25.0 grams of an original 200.-gram sample of the isotope remains unchanged after 11.46 days? (1) 2.87 d (3) 11.46 d (2) 3.82 d (4) 34.38 d

asked Dec 28, 2016

Chemistry
high-school

2 answers

4 votes

52.2k views

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