Chemistry, 06.05.2020 04:03 kaylaamberd
60 POINTS PLEASE HELP. Air is made up mostly of O 2 , N 2 , and CO 2 . If the total pressure of air is 765mmHg and P (N2) = 0.79 atm and P (CO2) = 0.05 atm, then what is the partial pressure of the O 2 ?
Answers: 3
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 18:20
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
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Chemistry, 23.06.2019 05:50
Aseismic wave is energy released as the result of rock movement along a fault. t or f ?
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60 POINTS PLEASE HELP. Air is made up mostly of O 2 , N 2 , and CO 2 . If the total pressure of air...
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