Which of the following conversion factors will be used to convert 5.65 lbs to oh?
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Chemistry, 21.06.2019 21:30
Which substances have the lowest melting points: ionic covalent, or metallic
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Chemistry, 22.06.2019 01:30
Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%
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How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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Chemistry, 22.06.2019 17:30
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
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