A compound is decomposed in the laboratory and produces 5.60 g N and 0.40 g H. What is the empirical formula of the compound?

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

In a ball-and-stick molecular model, what do the sticks represent?