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Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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In one or two grammatically correct sentences, write a definition for the term molecule geometry
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He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.
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In the reaction below, which species is oxidized? mn (s) + pb(no3)2 (aq) --> mn(no3)2 (aq)+ pb(...
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