Chemistry, 10.05.2021 22:50 goldengirl4078
When a solid melts, what happens to the speed and arrangment of the molecules?
The particles speed up and spread out.
The particles slow down and spread out.
The particles speed up and are close together.
The particles slow down and are close together.
Answers: 3
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Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
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Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
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Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
When a solid melts, what happens to the speed and arrangment of the molecules?
The particles speed...
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