In the reaction _S +3O2 → 2SO3, what coefficient should be placed in front of the S to balance the reaction? 1

2

3

5

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

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

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?