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Chemistry, 21.06.2019 23:00
The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .
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Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand
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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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When thermal energy is transferred when water is heated in a teapot, what happens to the molecules a...
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