Term
| _________ makes it possible for almost any charged or polar molecule to dissolve in water |
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Definition
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Term
| Binding between like molecules is called _________ |
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Definition
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Term
| Binding between unlike molecules is called _______ |
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Term
| ______ is cohesive and has high surface tension |
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Definition
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Term
| Hydrogen bonds in ____ connect water molecules in an open crystal pattern. In _____, there are fewer hydrogen bonds and the water molecules can pack more closely together, making ________ |
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Definition
| ice; liquid water; water denser than ice |
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Term
| In acid–base reactions, a proton donor (_____) transfers a proton to a proton acceptor (_____). |
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Definition
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Term
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Definition
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Term
| first law of thermodynamics |
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Definition
| energy is conserved—it cannot be created or destroyed, but it can be transferred or transformed |
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Term
| Formation of formaldehyde (H2CO) and hydrogen cyanide (HCN) is the _______ and requires ______. |
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Definition
| first step in chemical evolution; energy input |
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Term
| second law of thermodynamics |
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Definition
| entropy (S) always increases |
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Term
| The formation of H2CO and HCN is a critical step in chemical evolution because _______ |
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Definition
| energy from sunlight has been converted to chemical energy (potential energy in chemical bonds). |
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