Which of the following is true concerning changes of state? all changes of state take place at the same temperature. state changes happen at different points for different substances the freezing point is the same for all substances. the boiling point is the same for all substances.
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What produces wave a)sound b) heats c)transfer of energy d)vibrations
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If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?
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An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
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Ajar contains a certain substance. which observation would show that the substance must be either a solid or a liquid?
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Which of the following is true concerning changes of state? all changes of state take place at the...
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