Answers by Richard Durr
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Answers by Richard Durr

Answers by Richard Durr
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What ratio is equivalent to 15:20
answered May 20, 2018
2 votes
190k views
A crucible contains 6.4 g of copper, Cu. How many moles does this amount contain? [Given: Cu=64]
answered Sep 14, 2017
1 vote
77.2k views
How were the lives of free African Americans similar to those of enslaved African Americans in the 1700s?
answered Jun 25, 2017
5 votes
50.1k views
What is a major goal of the United Nations? a. to manage foreign affairs for communist countries b. to encourage isolationism c. to promote the welfare of the people around the world d. to discourage trade
answered Jun 16, 2017
5 votes
176k views
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