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Chemistry, 22.06.2019 18:30
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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Chemistry, 22.06.2019 22:30
Which of the following is true about the speed of light? it depends on the wavelength.
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Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?
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Which type of circuit, a series circuit or a parallel circuit would allow light bulbs to burn bright...
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