Use the Born-Haber cycle to calculate the lattice energy of NaF. (Hsub for sodium is 107.5 kJ/mol, IE1 for sodium is 496 kJ/mol, EA1 for fluorine is 328 kJ/mol, the bond energy of F2 is 159 kJ/mol, Hf for NaF is 576.6 kJ/mol .) Express your answer as an integer.

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

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What relationship exists between an enzyme and a catalyst?