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Chemistry, 21.06.2019 22:30
Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3
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Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
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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)
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Mathematics, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40
Chemistry, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40
Physics, 30.05.2021 04:40
Mathematics, 30.05.2021 04:40