Chemistry, 23.07.2019 11:00 gorillalover9000
Which statement is true of a chemical change? a) it involves changes in the molecular structure. b) it involves changes in phase but not changes in the molecular structure. c) it involves dissolving one substance into another. d) it involves a change in the state, or phase, of a substance. e) it involves the process of separating two or more dissolved substances.
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Chemistry, 21.06.2019 21:10
How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103
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Chemistry, 22.06.2019 18:30
You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas
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Chemistry, 22.06.2019 19:30
Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
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Chemistry, 22.06.2019 22:00
11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these
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Which statement is true of a chemical change? a) it involves changes in the molecular structure. b)...
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