When 6.4g of an oxide of element X was heated and hydrogen passed over it, 3.2g of the element was produced. The empirical formula of the oxide is (O=16; X=32) a. XO
b. XO2
c. X2O
d. X2O3

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

How many atoms are there in 5.70 mol of mg

Explain what happens at the saturation point when adding salt to water at room temperature.