In the reaction c + 02co2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. what mass of oxyger would be needed in the reaction?

18g

54g

72g

90g

The largest internal organ in the frog is the

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?

Rectangle qrst is shown. angle qrt is congruent to angle str, and angle str is complementary to angle qtr. which statement is true about angles qrt and qtr? they are congruent. they are complementary. they are supplementary. they are right angle