Chemistry, 10.11.2020 23:00 kprincess16r
Manual says that he has reduce the amount of thermal energy in a cup of hot chocolate without lowering the temperature. How is that possible?
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What layer of the atmosphere is directly above the troposphere?
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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 14:30
The three types is stress that act on earths rocks are compression, tension, and
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Chemistry, 23.06.2019 07:00
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
Answers: 2
Manual says that he has reduce the amount of thermal energy in a cup of hot chocolate without loweri...
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