Whenever matter undergoes a physical or chemical change no atom are created or destroyed

Papa bless Which of the following describes the idea that heat is transferred as thermal energy by the interaction of moving particles. the kinetic theory of heat thermal energy kinetic energy the theory of thermal equilibrium

A 2.5 L sample of gases at STP (standard temperature and pressure is 273 k and 1.00 atm). When the temperature is raised to 273degrees Celsius and the pressure remains constant the new volume of the gas will be?

Why are alkali metals more reactive than alkaline earth metals?

In the diagram, which of the following represents the activation energy?

Which best describes thermal energy? It is the difference between internal energies of two or more substances It is the sum of internal energies of two or more substances O It is the portion of internal energy that can be transferred from one

The following diagram represents a vertical cross section of sedimentary rock layers that have not been overturned. Which principle best supports the conclusion that these layers have undergone extensive movement since deposition?

What kind of ions do a sodium atom and a chlorine atom become when a valence electron is transferred from one to the other?

NaOH and bleach have several characteristics in common. They include all BUT one of the characteristics listed.

What is the general form for the simplest type of acid-base reaction?

Which element has a larger atomic radius than sulfur? chlorine cadmium fluorine oxygen