Chemistry, 09.03.2021 18:10 BabyDino9415
An astronaut has a mass of 60kg. Calculate their weight When they are on the surface of the moon.
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 22.06.2019 15:30
Light waves can move through , but they travel fastest when they move through a(n) .
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Chemistry, 22.06.2019 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
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Chemistry, 23.06.2019 07:30
How many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride
Answers: 1
An astronaut has a mass of 60kg. Calculate their weight When they are on the surface of the moon....
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