For a particular redox reaction,
Cr is oxidized to CrO2−4 and Cu2+ is reduced to Cu+. Complete and balance the equation for this reaction in basic solution. The phases are optional.

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante