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Al+O2=Al2+O3 balance the chemical reaction
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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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Match each statement with the state of matter it describes
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What makes up a film badge? layers of photographic film covered in black paper. an electrolyte paste spread across a plastic sheet. a thin film of salts and other chemicals on clear acetate. a panel of photographic film exposed to the air. ✓
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What volume of 24% trichloroacetic acid (tca) is needed to prepare eight 3 ounce bottles of 10% tca solution?
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Al+O2=Al2+O3 balance the chemical reaction...
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