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What statement about the energy of a phase change is true
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Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
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Chemistry, 23.06.2019 17:30
With carbon dioxide what phase change take place when the temperature decreases from -40c to -80c at 2 atm
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How was the periodic table organized the second time?...
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