Answers by Hui Wang
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Answers by Hui Wang

Answers by Hui Wang
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Nitrogen and hydrogen react to form ammonia. Consider the mixture of N2 (blue spheres) and H2 (gray spheres) in the illustration. All BUT one statement regarding the reaction is true A)Nitrogen is in excess.
answered May 27, 2018
0 votes
132k views
Calcium has an atomic number of 20 and an atomic mass (weight) of 40. Therefore, we know that calcium has 20 protons 40 protons 20 electrons 40 electrons 20 neutrons (Multiple choice)
answered Mar 18, 2018
2 votes
169k views
What does francis say about atticus how do his comments illustrate that racism exists not just in the other residents of maycomb but within the finch family as well?
answered Jan 27, 2018
2 votes
6.6k views
he was an italian explorer whose travel to the americas in 1492 were funded by spain and started awareness of the new world
answered Aug 21, 2017
2 votes
55.2k views
Which property of physical changes explains why matter is conserved in a physical change? The arrangements of particles do not change, and the bonds between atoms do not break. Mass, not energy, changes
answered Feb 20, 2017
3 votes
90.0k views
3x+2=17 Find what equals x
answered Feb 16, 2017
4 votes
89.1k views
'N' stands for a whole number, 5n is LESS than 100, so what does n stand for now
answered Oct 31, 2016
3 votes
161k views
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