A buffer was prepared by mixing 0.200 moles of ammonia (Kb = 1.8x10-5) and 0.200 moles of ammonium chloride to form an aqueous solution with a total volume of 500 mL. 250 mL of the buffer was added to 50.0 mL of 1.00 M HCl. What is the pH of this second solution?
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If two objects at different te,peraure are in contact with each other what happens to their temperature
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What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?
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Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.
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Chemistry, 23.06.2019 07:40
)in the deacon process for the manufacture of chlorine, hcl and o2 react to form cl2 and h2o. sufficient air (21 mole% o2, 79% n2) is fed to provide 35% excess oxygen, and the fractional conversion of hcl is 85%. calculate the mole fractions of the product stream components.
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A buffer was prepared by mixing 0.200 moles of ammonia (Kb = 1.8x10-5) and 0.200 moles of ammonium c...
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