The nucleus inside an atom consists of positively-charged protons and neutrally-charged neutrons. a proton is a subatomic particle with a positive electric charge. allprotons are identical.
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the potential energy of the reactants is 200j.
from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.
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Nonmetal are moldable and easily shaped
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c. 4.54 x 10–12 j happens to be correct
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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