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What is the concentration expressed in parts per million of a solution containing 5.0 grams of nh4cl in 95.0 grams of h2o
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Which of the following electromagnetic waves can create ions?
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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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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
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Ajar is tightly sealed at 22°c and 772 torr what is the pressure inside a jar after its been heated to 178°c
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What is the concentration expressed in parts per million of a solution containing 5.0 grams of nh4cl...
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