Chemistry, 18.02.2021 07:10 etwerner23
Walter Lincoln Hawkins. He is best known for inventing a plastic coating for telephone wires that made universal service possible. He is a recipient of the National Medal of Technology and an inductee of the National Inventors Hall of Fame. Why are his discoveries important? How might life be different without his discoveries.
Answers: 3
Chemistry, 20.06.2019 18:04
4moles of nitrogen gas are confined to a 6.0 l vessel at 177 °c and 12.0 atm. if the vessel is allowed to expand isothermally to 36.0 l, what would be the final pressure?
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Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Chemistry, 22.06.2019 11:40
Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?
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Chemistry, 22.06.2019 19:30
How might this scientific phenomena be explained? a paper clip floats on water.
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Walter Lincoln Hawkins. He is best known for inventing a plastic coating for telephone wires that ma...
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