Which factor (s) will most likely lower the activation energy of a reaction?

A. Concentration

B. Temperature and Concentration

C. Catalysts

D. Temperature and Catalysts

when carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 14.4g of carbon were burned in the presence of 54.3 g of oxygen, 15.9 g of oxygen remained unreacted. What mass of carbon dioxide was produced?

At constant temperature and pressure, 2.05 g of oxygen gas O2 is added to a 1.0 L balloon containing 1.00 g of O2. What is the new volume of the balloon?

A balloon is filled with water. The balloon is heated and begins to expand. The water inside begins to turn into steam. What will happen to the mass of the balloon? A) The mass will stay the same.

To what volume should 25ml of 15m nitric acid be diluted to prepare a 3m solution

Radiant energy is a form of ...

If 4.34 moles of potassium react with excess water, how many moles of hydrogen gas would be produced at STP

What is the common name of sodium bicarbonate

The mass of one formula unit of SrCl2 is 158.52 amu. Based on this fact, what conclusion can you draw? A. A mole of SrCl2 particles has a mass of 158.52 g. B. 1 g of SrCl2 contains an average of 158.52 particles. C.

A blank is a special kind of mixture in which one substance is uniformly mixed into another

importance of pH value in daily life