Questions by Morgan Koh

Questions by Morgan Koh

What is the sign of the product (–7)(–2)(–5)(1)? Positive, because the products (–7)(–2) and (–5)(1) are negative, and the product of two negative numbers is positive Positive, because the products (–7)(–2)

asked Mar 6, 2018

1 answer

2 votes

95.7k views

The molar mass of oxygen gas (O2) is 32.00 g/mol. The molar mass of C3H8 is 44.1 g/mol. What mass of O2, in grams, is required to completely react with 0.025 g C3H8? 0.018 0.034 0.045 0.091

asked Oct 20, 2017

2 answers

4 votes

161k views

During the Renaissance, cities like Florence, Genoa, and Venice were important MOSTLY because they were A) places where artists thrived. B) centers of trade and commerce. C) home to the best universities

asked Jul 25, 2017

2 answers

1 vote

77.7k views

How do Air molecules enable sound to travel from a radios speaker to your ears?

asked Sep 22, 2016

2 answers

3 votes

70.3k views

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