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Chemistry, 21.06.2019 16:00, Brittpaulina
Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right
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H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?
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Chemistry, 22.06.2019 17:30, llamasking
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
How does light energy move from one place to another?...
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