Chemistry, 12.02.2021 06:50 SugaAndKookie22
What’s the difference between nonrenewable and renewable energy sources? Is biomass a renewable energy source?
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What state of matter is ice a. liquid b. element c. solid d. gas
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Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation
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Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
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Chemistry, 23.06.2019 09:30
Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.
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What’s the difference between nonrenewable and renewable energy sources? Is biomass a renewable ener...
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