Questions by Hera

Questions by Hera

15 points!!! Describe kepler's contribution to the current structure of the solar system.

asked Apr 17, 2018

1 answer

5 votes

186k views

Choose the correct plural form of “el niño”

asked Dec 8, 2017

2 answers

4 votes

128k views

How many nitrogen atoms are present in calcium nitrate, Ca(NO3)2?

asked Nov 20, 2017

1 answer

3 votes

142k views

If 3.95 g of N2H4 reacts and produces 0.750 L of N2, at 295 K and 1.00 atm, what is the percent yield of the reaction?

asked Oct 19, 2017

1 answer

5 votes

212k views

Which is a good guideline for using charts and graphs in a presentation? A. Never use charts and graphs. B. Use a lot of text to explain the charts and graphs. C. Keep charts and graphs simple and focused.

asked Sep 23, 2017

2 answers

5 votes

173k views

Which has a greater speed, a hawk that travels 600 meters in 60 seconds, or a tiny warbler that travels 60 meters in 5 seconds? Explain.

asked Dec 14, 2016

1 answer

1 vote

54.3k views

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