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Chemistry, 22.06.2019 14:00, njones58emailtjcedu
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 22.06.2019 20:00, jalenevoyles
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.
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Chemistry, 22.06.2019 23:00, soccerplayer17
What is the number of neutrons in an atom with atomic mass of 35
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Chemistry, 22.06.2019 23:00, genyjoannerubiera
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Name some the negative effects volcanoes can have on the Earth and it’s inhabitants....
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