Chemistry, 19.09.2019 23:00 mlesky7901
Which of the following statements is true? i. carbon forms covalent rather than ionic bonds. ii. carbon has an electronegativity value that is midway between that of the most metallic element and the most nonmetallic element. iii. carbon forms four bonds in virtually all its compounds. iv. a si-si bond is much stronger than a c-c bond. v. relatively little heat is released when a c chain reacts and one bond replaces the other.
Answers: 3
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Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
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What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
Answers: 1
Which of the following statements is true? i. carbon forms covalent rather than ionic bonds. ii. ca...
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