Carbon and oxygen bond to form carbon dioxide. What is the chemical formula for each of the reactants? A. C2 and O B. C2 and O2 C. C and O2 D. CO2 and O2

What is one possible way rock material can be recycled naturally? A) subduction B) mountain building C) human made glass D) erosion

5. You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water.

Describe the movement of air when you inhale

What is the mass of the Earth?

Chemical equation for aqueous sulfuric acid and aqueous potassium hydroxide

The aromatic amino acids are synthesized in humans by a pathway beginning with reaction of indole with serine. synthesized in bacteria in a pathway shared by all three, up to the production of the intermediate chorismate.

Which element is a liquid at 25 celsius degrees and 1.0 atm? (A) bromine (B) krypton (C) phosphorus (D) xenon

Why do atoms receive a positive or negative charge when they give or take electrons? Include the nucleus in your explanation.

Determine the enthalpy change when 23.5 g of carbon is reacted with oxygen according to the reaction C (s) + O2 (g) CO2 (g) delta H = - 394 kJ/mol

In your opinion how is friction bad?