balanced equation : 2Al + 6HBr = 2AlBr3 + 3H2 " When 3.22 miles of Al reacts with 4.96 moles of HBr what is the limiting reactant"

Which is the most likely way an automotive engineer would use chemistry

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

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.