Chemistry, 07.10.2020 20:01 robert7248
Describe an experiment to show that the heat flow between adjacent objects of different temperatures is greater when the temperature difference is greater.
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
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How many neutrons does an element have if its atomic number is 50 and its mass number is 166
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Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid 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.
Answers: 1
Describe an experiment to show that the heat flow between adjacent objects of different temperatures...
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