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Answers by WithFlyingColors

Answers by WithFlyingColors
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Is helium a homogeneous or heterogeneous mixture or compound or element?
answered Feb 4, 2018
4 votes
159k views
He isotope 62(over28ni has the largest binding energy per nucleon of any isotope. calculate this value from the atomic mass of nickel-62 (61.928345 amu.
answered Jan 16, 2018
2 votes
55.8k views
Mrs.Sands teaches 6 different classes per day at the high school. There are 36 students in each class. How many students does she teach in all
answered Dec 22, 2017
3 votes
129k views
Acid rain has a higher than normal pH. a. True b. False
answered Nov 22, 2017
7 votes
185k views
Excerpt from a school newspaper: "During the 2008-2009 school year, the principal was concerned because only 20% of students were on the A-B Honor Roll. He was relieved during the 2009-2010 school year
answered Jul 7, 2017
2 votes
152k views
A store is selling a hat at a 55 percent markup. The store originally paid $16 for the hat. What is the retail price of that hat?
answered Mar 23, 2017
4 votes
118k views
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