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Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
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When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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Provide an example of a scientific model and describe why/how the model is used. if you know the ans...
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