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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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What is the work done by the electric force to move a 1 c charge from a to b?
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Amole, which is a unit in chemistry, contains 6.02 x 1023 atoms or particles. how many zeroes follow the 2 when this number is written out in standard form? a) 21 b) 23 c) 24 d) 25
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Ultraviolet light A (UVA) can penetrate deeper layers of skin than UVB. If UVA has a wavelength of 4...
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