how many moles of magnesium oxide are produced by the reaction of 1.82 g of magnesium nitride with of water? mg3n2 + 3 h2o → 2 nh3 + 3 mgo group of answer choices

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.

Displacement is the slope of a velocity vs. time graph a. true b. false

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