2NaCL significa que existen 2 moleculas de cloruro de sodio?? ayuda porfavor

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

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