At a certain temperature, 0.4011 mol of N2 and 1.561 mol of H2 are placed in a 4.50 L container. N2(g)+3H2(g)↽−−⇀2NH3(g)

At equilibrium, 0.1601 mol of N2 is present. Calculate the equilibrium constant, kc=

The answer is c. valence electrons

Where's the pictures ?

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.