Carbon dioxide, or CO2, is a (n)

A.) atom.

B.) mixture.

C.) element.

D.) compound.

The equation below shows hydrogen reacting with oxygen to produce water. 2H2+O2>2H2O if 16mol of oxygen were reacted with excess hydrogen gas, how many moles of water would be produced?

Sodium reacts with water according to the reaction: 2Na (s) + 2H2O (l) →2NaOH (aq) + H2 (g) Identify the oxidizing agent. a) H2O (l) b) NaOH (aq) c) Na (s) d) H2 (g)

a bond where electrons are transferred from one atom to another, resulting in charge imbalance in each atom. a bond where electrons are equally shared, resulting in equal numbers of electrons orbiting each atom.

Mechanical weathering occurs at a greater rate in climates that are

element x is a neutral element and has 39 protons. what element is it and how many electrons does it have? (use the periodic table)

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from earth. If you are about 11 years old now, how old will you be when light that is leaving Arcturus today reaches earth?

What is melted rock and minerals found below earths crust

What do many bases have in common? A. They often release oxygen gas. B. They often form hydrogen ions. C. They often release hydrogen gas. D. They often form hydroxide ions.

What is 3 tenths+4tenths

A lunar eclipse can only occur at which lunar phase? And what about a solar eclipse?