Which is an example of a chemical change?
burning wax
melting metal
boiling...
Chemistry, 03.01.2021 06:30 simrankaurdhatt
Which is an example of a chemical change?
burning wax
melting metal
boiling water
dissolving sugar
Answers: 3
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As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
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What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
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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?
Answers: 1
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