Chemistry, 10.12.2019 03:31 garretthyatt123
Be sure to answer all parts. determine what redox reaction, if any, occurs (at 25°c) when lead metal (pb) is added to
(a) a 1.0 m solution of cocl2 and (b) a 1.0 m solution of hcl. (a) pb is added to a 1.0 m solution of cocl2 pb(s) + co2+(aq) → pb2+(aq) + co(s) pb2+(aq) + 2cl−(aq) → pb(s) + cl2(g) co2+(aq) + 2cl−(aq) → co(s) + cl2(g) no reaction.
(b) pb is added to a 1.0 m solution of hcl pb(s) + 2h+(aq) → pb2+(aq) + h2(g) pb2+(aq) + 2cl−(aq) → pb(s) + cl2(g) pb(s) + 2h2o(l) → pb(oh)2(s) + h2(g) no reaction.
Answers: 2
Chemistry, 21.06.2019 21:00
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
Answers: 2
Chemistry, 22.06.2019 06:30
Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
Answers: 1
Chemistry, 22.06.2019 14:30
Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous
Answers: 1
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
Be sure to answer all parts. determine what redox reaction, if any, occurs (at 25°c) when lead metal...
Mathematics, 18.02.2021 17:50
Mathematics, 18.02.2021 17:50
English, 18.02.2021 17:50
English, 18.02.2021 17:50
Social Studies, 18.02.2021 17:50
Social Studies, 18.02.2021 17:50
Mathematics, 18.02.2021 17:50
English, 18.02.2021 17:50
Mathematics, 18.02.2021 17:50
Mathematics, 18.02.2021 17:50
English, 18.02.2021 17:50
Mathematics, 18.02.2021 17:50
Social Studies, 18.02.2021 17:50