(help if you can) What coefficient(s) will balance the following equation: Zn+S-->ZnS ?

A.1

B.5

C.3

D.1.5​

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

May someone me with these science questions

Correct relationship between molecular formula and empirical formula