Chemistry, 20.09.2020 15:01 ElizabethF
3 11. A mineral has a mass of 100 g and a volume of 50 cm?. What is its density? A. 5000 g/cm B. 2 g/cm3 C. 5 g/cm D. 150 g/cm3 3
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Chemistry, 21.06.2019 23:00, fespinoza019
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
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Chemistry, 22.06.2019 02:30, ulilliareinhart2
The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!
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Chemistry, 22.06.2019 20:40, larkinc2946
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
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3 11. A mineral has a mass of 100 g and a volume of 50 cm?. What is its density? A. 5000 g/cm B. 2 g...
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