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How many atoms or molecules are there in a mole of a substance?
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Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?
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Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.
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Chemistry, 23.06.2019 11:30
Which of these have the same number of particles as 1 mole of water h2o
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A (12), B (8), C (4) out of these three elements, which two elements would show similar chemical pro...
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