Gas x has a mass of 28.02 amu and gas y has a mass of 32 amu. which gas will diffuse faster?

it's c. elements are placed in rows based on how may valencies electrons have.

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.

50.23 i believe is correct but don't quote me on that.