Eric W.

10/06/19

What mass of aluminum oxide is produced?

In a reaction, 42.9 g of manganese(III) oxide reacts with 14.7 g of aluminum to produce manganese and aluminum oxide. If 29.9 g of manganese is produced, what mass of aluminum oxide is produced?

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Reading

07/15/19

Why do I seem to not focus as well when I read on a computer or the Internet as when I read from a book?

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World History War Historiography

07/09/19

Do historians agree that most wars are caused by religion?

I'm not a historian, but this is a very common claim that crops up in debates over God's existence and religious scripture. What is the opinion of the community of professional historians?

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Chemistry

04/01/19

What is the final pressure assuming that temperature and the number of moles are constant?

A chamber initially at 0.985 atm and 22.4 L of He undergoes a change in pressure such that the final volume is 50.1 L. What is the final pressure assuming that temperature and the number of moles... more

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