When mixing calcium chloride and phonel red why does it get hot

For each event stated, indicate how the concentration of each species in the chemical equation will change to re-establish equilibrium.

What element has 6 protons and 8 neutrons?

How does a polar bond differ from a nonpolar bond explain your answer?

Why did the plates began to slip against each other 30 million years ago forming San Andreas fault

When a match burns it's mass decreases. Is this a violation of the law of conservation of mass?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.

What effect does nuclear radiation have on atoms? It splits atoms. It burns atoms. It ionizes atoms.