Arrange the liquids pentane (CH3CH2CH2CH2CH3CH3CH2CH2CH2CH3), pentanol (CH3CH2CH2CH2CH2OHCH3CH2CH2CH2CH2OH ), and pentanal (CH3CH2CH2CH2CHOCH3CH2CH2CH2CHO) in order of decreasing viscosity, surface tension, and boiling point. To rank items as equivalent, overlap them.
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Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
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Can someone me with 3 and 4 plz. this is for masteries test.
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What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
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Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
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Arrange the liquids pentane (CH3CH2CH2CH2CH3CH3CH2CH2CH2CH3), pentanol (CH3CH2CH2CH2CH2OHCH3CH2CH2CH...
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