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Describe the electronegativity of elements in polar covalent bonds
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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 energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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An unknown substance was put in a container. the substance filled up the container from bottom up, taking half of the space in the container. what is most likely the state of matter of the substance? gas liquid plasma solid
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Describe the electronegativity of elements in polar covalent bonds...
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