The independent variable of a data set is q while the dependent variable is r. which of theses is an explanatory variable ?

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?