Chemistry, 20.11.2020 20:40 palomaresmitchelle

Which half-reaction correctly describes an oxidation? Upper C a (s) plus 2 e superscript minus right arrow upper C a superscript 2 plus (a q).
Upper B r subscript 2 plus 2 e superscript minus right arrow 2 upper B r superscript minus.
Upper N a superscript plus (a q) right arrow upper N a (s) plus e superscript minus.
Upper C r (s) right arrow upper C r superscript 3 plus (a q) plus 3 e superscript minus.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 16:00

What is the chemical formula of the following compound

Answers: 1

Answer

Chemistry, 22.06.2019 04:30

In which phase(s) do the molecules take the shape of the container?

Answers: 1

Answer

Chemistry, 22.06.2019 11:30

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Answers: 3

Answer

Chemistry, 22.06.2019 17:10

Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]

Answers: 2

Answer

You know the right answer?

Which half-reaction correctly describes an oxidation? Upper C a (s) plus 2 e superscript minus righ...

Questions