Chemistry, 05.12.2020 22:20 DaFuzzyDude
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1.How much heat is required to evaporate 250 g of water to the boiling point?And is it endothermic or exothermic
2. How many kilojoules of heat is needed to evaporate 750 g of water to boiling point?And is it endothermic or exothermic
3. How many kilojoules of heat is needed to melt 500 g of water to freezing point? And is it endothermic or exothermic
Answers: 1
Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
Answers: 2
HELPPP
1.How much heat is required to evaporate 250 g of water to the boiling point?And is it endot...
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