A mixture of oxygen, carbon dioxide, and nitrogen has a total pressure of 0.830 atm. What is the partial pressure of nitrogen in kPa, if the partial pressure of carbon dioxide is 0.520 atm and the partial
pressure of oxygen is 0.110 atm? (1 atm = 101.3 kPa)
a. 20.3 atm
b. 0.200 kPa
c. 20.3 kPa
d. 0.200 atm

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Kelly has come up with an explanation for why her sister is sometimes in a good mood and other times in a bad mood. she speculates that it is based on the hours of sleep her sister got the previous night. this explanation for her sister's behaviors is an example of a(n)