Chemistry, 18.12.2020 17:10 Jadamachado45
Which choice confirms that one air mass is being replaced by another air mass in a given area?
A. increase in wind
B. high air pressure
C. high air temperature
D. it is impossible to tell.
Answers: 2
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Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
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Word equation for k(s) +h2o(l) yield koh (aq) + h2
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Chemistry, 22.06.2019 16:00, anaalashay
How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?
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Chemistry, 22.06.2019 17:10, sophiaa23
)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.
Answers: 1
Which choice confirms that one air mass is being replaced by another air mass in a given area?
A. i...
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