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Chemistry, 21.06.2019 22:00
Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water
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Chemistry, 21.06.2019 22:20
One or more substances changing into one or more substances is an example of a
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Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
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What is the half reaction of
K2Cr2O+H2O+S —> SO2+KOH+Cr2O3...
K2Cr2O+H2O+S —> SO2+KOH+Cr2O3...
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