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Chemistry, 22.06.2019 16:00
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
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Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
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What happens when an electron absorbs energy? the electron moves from a lower energy orbital to a h...
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