Chemistry, 15.02.2021 19:00 shubbs1038a
This is a steel penny from 1943. A steel penny will weigh 2.72 g and is
magnetic. This penny weighs 2.74 grams and sticks to a magnet. Therefore,
this is likely a steel penny. Identify the RULE in this claim, evidence and
reasoning
Answers: 3
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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.
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This is a steel penny from 1943. A steel penny will weigh 2.72 g and is
magnetic. This penny weighs...
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