An ammonia solution has a pH of 8.30, what is the [OH-] in this solution?
A) 5.0 x 10^-23 M
B) 2.0 x 10^- 6 M
C) 5.0 x 10^-9 M
D) 2.0 x 10^8 M
B
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For each of the following six locations, complete the climograph using the average monthly temperature (“Temp”) given in degrees Celsius and Fahrenheit, and the average monthly precipitation (“Precp”) given in centimeters and inches. The average annual temperature and precipitation are provided for you. After completing the climographs, answer the questions at the end of Part II. You may plot data on the climographs using either S.I. or English units (note that the English unit and S.I. unit scales on the climographs are not exactly equivalent). No “H” climates are given.
A virtual reality is a new "place" that has been created
A) mentally, through the use of computers. B) within areas of the government. C) within video games. D) among a group of users.
The Soviet Union's command economy system was an unqualified failure due to inefficient and unwieldy processes
a. True b. False Indicate whether the statement is true or false
Coral reefs contain about ________ as much algal biomass as animal biomass
A) four times B) half C) one fourth D) three times E) twice