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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
A 155 g sample of an unknown substance was heated from 25°C to 40°C. In the process, the substance a...
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