What is the density of laughing gas (N2O) at STP?

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Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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