Chemistry, 18.09.2021 23:30 isaacbryan2416
Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that a chemical change has occurred in the substance?
A. If the substance is a liquid or solid, an increase in temperature would indicate a
chemical change.
B. If the substance is a liquid, a change of some of the liquid to a gaseous form would indicate a chemical change.
C. If the substance is a solid, a change of some of the solid to liquid form would indicate a chemical change.
D. If the substance is a liquid or solid, production of an odor would indicate a chemical change.
Answers: 3
Chemistry, 22.06.2019 00:30
This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
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Chemistry, 22.06.2019 11:00
The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation wou...
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