Chemistry, 26.08.2020 23:01 destinywiggins75
which best describes an element? - a pure substance - a type of a mixture - a pure compound - an impure substance
Answers: 3
Chemistry, 21.06.2019 17:30
What is the formula for the molecular compound nitrogen monoxide
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Chemistry, 22.06.2019 04:00
Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral
Answers: 3
Chemistry, 22.06.2019 19:50
When the mercury level in a barometer decreases that atmospheric pressure has
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Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
which best describes an element? - a pure substance - a type of a mixture - a pure compound - an imp...
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Mathematics, 02.01.2020 03:31
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Mathematics, 02.01.2020 03:31
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Mathematics, 02.01.2020 03:31