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Chemistry, 21.06.2019 14:20
Which of the following statements is not true? β’ a. covalent compounds have low melting and boiling points. β’ ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. β’ c. covalent bonds occur between nonmetals. β’ d. covalent compounds are often gases or liquids.
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Chemistry, 22.06.2019 00:00
Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt
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Chemistry, 22.06.2019 08:00
What are the similarities of physical and chemical change ?
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What is the molecular weight of isopropy alcohol C, H,OH? (Give your answer with an accuracy of 0.01...
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