A balanced redox equation must have which of the following: I. The same number of each type of atom on both sides of the equation
II. The total number electrons lost in the oxidation equal to total number of electrons gained in the reduction
III. The same total charge of all ionic species on both sides of the reaction
IV. H2O present as a product or a reactant

1. i, ii, and iii
2. i and ii
3. i, iii, and iv
4. i, ii, iii, and iv
5. iii and iv

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.

Show and image of the mixtures or write them

H tricky one let me think and get back to u

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.