Na2o how many atoms of each element are in this compound? a. 2 sodium atoms and 1 oxygen atom b. 2 sodium atoms and 2 oxygen atoms c.1 sodium atoms and 1 oxygen atoms d.1 sodium atom and 2 oxygen atoms

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

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume