When are roman numerals used when naming compounds?

At what temperature does a chemical turn into a gas

How many moles of nitrous oxide gas (N2O) is contained in 20.0 L balloon at a pressure of 1.09 atm and a temperature of 298K?

Which state of matter does lightning represent? Solid Liquid Gas Plasma

The diagram above is a potential energy curve for a reaction which number represents the effects of a catalyst from the reaction

A wind turbine is used for what kind of energy transformation? A. mechanical energy to electrical energy B. chemical energy to electrical energy C. sound energy to heat energy D. potential energy to kinetic energy

A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound? A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound?

1. How many moles are in 80.5g of Aluminum Sulfide?

How do classic sedimentary rocks form? Question 2 options: A. Fragments of rock are squeezed and cemented together. B. Plant and animal remains are squeezed and cemented together. C. Solid chemicals in water harden and form rocks. D.

Which statement describes the particles of an ideal gas according to the kinetic molecular theory? (1) The gas particles are arranged in a regular geometric pattern. (2) The gas particles are in random, constant, straight-line motion.

What is the temperature of 0.500 moles of a gas that is stored in a 2.50 L container under 13.0 atm of pressure?