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Tju [1.3M]
4 years ago
7

Physical science semester b exam Anyone have answers

Physics
1 answer:
jonny [76]4 years ago
5 0

Answer: upload questions and someone would be happy to help! :)

Explanation:

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All materials are superconducting at temperatures near absolute zero kelvin.

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All materials are superconducting at temperatures near absolute zero kelvin is false concerning superconductors.

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This type of heat transfer occurs inside materials, typically solid materials. The heat from the fire is passed from molecule to molecule along the length of the material. The fire will generally follow the heat or sometimes the heat from conduction may cause a new fire to ignite elsewhere. The conduction is happening in the walls of the fireplace

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Both physical and chemical changes

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From the definition of the law of conservation of mass, total mass of all the substances taking part in a chemical reaction is conserved and the number of atoms of each element in the reaction does not change when a new product is formed. Both physical and chemical changes follow the law since when the system is closed to all transfers of matter and energy, the mass of the system must remain constant over time, irrespective of the state.

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