Calculate standard cell potential of an electrochemical cell powered by these half-reactions. (Write values to two decimal places. If a value is less than 1, be sure to write a 0 before the decimal.)
Pb4+ + 2e
Pb2+
Reduction
Half-Reaction
SRP
(volts)
CO3+ + e
Co2+
Te + 2e
-
Tez-
+2.87
Ecell
Br2 +2e-
V
2Br
+1.09
Pb4+ + 2e- Pb2+
+1.66
Is the reaction spontaneous?

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

The answer to the question is d