Answers: 1
Chemistry, 22.06.2019 10:00
Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5
Answers: 3
Chemistry, 22.06.2019 18:10
Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
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
In which of the following is number of electrons the ion contains given correctly? a. h+ has 1 elec...
Mathematics, 19.01.2021 01:00
Social Studies, 19.01.2021 01:00
Biology, 19.01.2021 01:00
Computers and Technology, 19.01.2021 01:00
Chemistry, 19.01.2021 01:00
Mathematics, 19.01.2021 01:00
Chemistry, 19.01.2021 01:00
English, 19.01.2021 01:00
Mathematics, 19.01.2021 01:00
Mathematics, 19.01.2021 01:00
Mathematics, 19.01.2021 01:00
Mathematics, 19.01.2021 01:00
Mathematics, 19.01.2021 01:00