While trying to make ice cream, a well meaning student discovers that he is out of nacl to use in the ice cream maker. he remembers that his roommate has some "salt" (cacl2) that they used on the sidewalk last winter. unfortunately, he puts this in instead. he adds 111 g cacl2 (formula weight = 111 g/mol) to 4.00 l (4000 g) of water. the salt and water are initially at 0.00°c. cacl2 (s) ca2+ (aq) + 2 cl- (aq) ah = - 84.0 kj/mol a. what is the heat flow (9) under these experimental conditions? q (kj) = submit answer tries 0/2 b. assuming that the specific heat of the solution is 4.184 j/g°c, what is the final temperature of the solution? tinal (°c) =
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Which of the following best describes the formation of plasma?
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
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Chemistry, 22.06.2019 19:00
Nan element’s square on the periodic table, the number with the greatest numerical value represents the
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While trying to make ice cream, a well meaning student discovers that he is out of nacl to use in th...
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