Chemistry, 21.01.2022 02:10 elizabethhubbe
A certain block of metal has dimensions which are 2 cm wide, 2 cm deep, and 10 cm high. The balance shows it to have a mass of 320 grams. What is its density?
Answers: 2
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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Chemistry, 22.06.2019 13:00
The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
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Chemistry, 22.06.2019 15:00
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Chemistry, 22.06.2019 21:30
What is the effect of returning nuclear reactor cooling water back into bodies of water?
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A certain block of metal has dimensions which are 2 cm wide, 2 cm deep, and 10 cm high. The balance...
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