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Roman55 [17]
2 years ago
13

True or False, Substances have different properties?

Chemistry
2 answers:
4vir4ik [10]2 years ago
7 0
True.....................................
FrozenT [24]2 years ago
7 0
Very true no substances are exactly alike, that’s why they are different substances!
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The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 200-gram sample after 3 half-liv
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Answer:

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Explanation:

Data

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after 3 half-lives

Process

Calculate the amount of sample after one, two and three half-lives.

After each half-life, that of sample is half the previous amount.

                         Number of half-lives           Amount of sample

                                       0                                        200 g

                                        1                                         100 g

                                        2                                          50 g

                                       3                                           25 g

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