Staygold1967 avatar
Staygold1967
1 hour ago
Chemistry
High School
PLEASEEE...
Chemistry, 12.05.2021 20:30, dan20012001
Staygold1967 avatar
Staygold1967
1 hour ago
Chemistry
High School
PLEASEEE HEL!
1. Your original sample of Manganese-56 is 20.0 mg. How much is left after 3 half
lives? Remember to round to the correct number of significant figures and use units (mg).
2. Tritium is a radioactive form of hydrogen with a half-life of 12.3 years. How much of the 48.0 mg of tritium is still radioactive after 98.4 years?
Make sure to round to the correct number of significant figures and use units (mg).
3. How much of a 1.00 g polonium-214 sample remains after 818 microseconds? The half-life of polonium-214 is 163.7 microseconds.
Make sure to round to the correct number of significant figures and use units (g).
Answers: 2
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This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
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Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's
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