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Answers by Melvnberd

Answers by Melvnberd
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Thermal energy is caused by the motion of... a. mixing water molecules contained in a beaker. b. molecules in solid, liquid, and gas phases. c. mixing two different molecules together. d. molecules that
answered Aug 7, 2017
3 votes
192k views
A 250-mL aqueous solution contains 1.56 mc025-1.jpg 10–5 g of methanol and has a density of 1.03 g/mL. What is the concentration in ppm? A 6.1 X 10^-8 ppm B 1.5 X 1-^-5 ppm C 0.061 ppm D 15 ppm
answered Jun 9, 2017
5 votes
115k views
In a class, 60% of the students are girls. There are 18 girls in the class. How many boys are in the class? How many students are in the class?
answered Feb 7, 2017
3 votes
8.4k views
why do you think that the white children's attitude towards slavery is different from that of their parents
answered Jan 10, 2016
6 votes
211k views
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