Chemistry, 19.07.2019 22:00 erichenkell2700
Which of the following statements apply to chemistry? everything is chemical. chemicals are only harmful. chemistry is used in the making medicine. water and air are chemicals. chemistry does not influence other sciences like ecology or biology.
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
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Nonpoint source pollution is difficult to control because it
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Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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Which of the following statements apply to chemistry? everything is chemical. chemicals are only ha...
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