I. boiling water and producing water vapor ii. freezing liquid water into ice cubes iii. mixing salt into a beaker of water until the salt dissolves iv. mixing hydrogen gas and oxygen gas together to make liquid water of the four examples listed above, which describe a chemical change? a) i. b) iv c) iii. d) ii.
Answers: 2
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Which three statements represent the benefits of performing experiments using computer simulations?
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Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
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I. boiling water and producing water vapor ii. freezing liquid water into ice cubes iii. mixing salt...