A 14.8 L balloon is at 255 K. What will be its volume if the temperature is 304 K?

Do molecules move quicker in a liquid than a gas

Given that cao (s) + h2o (l) → ca (oh) 2 (s), δh°rxn = - 64.8 kj/mol, how many grams of cao must react in order to liberate 525 kj of heat?

Which of the following statements about resonance are correct? Which of the following statements about resonance are correct? Atoms can move between different resonance structures.

The molar mass of the compound was found to be 30.069 g/mol. what is the molecular formula?

How many grams of sodium nitrate (NaNO2) will dissolve in 100g of water at 20°C?

A student states the following: "Since acetone (nail polish remover) evaporate more readily than water, one would assume that acetone has weaker intermolecular forces than water." Evaluate their claim. (2 sentences)

A catalyst can only be used once. True False

On what basis do we distinguish between substances and separate them from one another?

What is the net ionic equation for the following reaction? H2CrO4 + Ba (OH) 2

How does improving food-storage facilities make farming more sustainable? A. It decreases the amount of water needed. B. It keeps food from rotting as quickly and being wasted. C. It decreases the amount of land needed. D.