The tip of a match is ignited as it is struck against the matchbox. why is this a chemical change? a. the color of the match tip has changed. b. the match changes size as it burns. c. the tip of the match is flammable and is set on fire. d. the match is melting.
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This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.
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Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
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How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?
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The tip of a match is ignited as it is struck against the matchbox. why is this a chemical change?...
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