How many moles of co2 are priloduced when 3.5 moles of c2h2 reacts?

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

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.

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments