How many moles of each element are in one mole of (NH4) 2S

Hear flows from water in one container to another. What difference between the two samples of water causes heat to flow?

What is the difference between a atomic bomb and a nuclear reactor

The chemical bonds of carbohydrates and lipids have high potential energy because: a. They are strong oxidizing agents b. They are strong reducing agents c. Many of their bonds are C-C and C-H d. They are easy to hydrolyze e.

What is the molarity of 200 mL of solution in which 2.0 molesof sodium bromide is dissolved?

What is the total number of molecules represented by the following equation? 2C4H10 (g) + 13O2 (g) 8CO2 (g) + 10H2O (g) ? A 18 B 4 C 15 D 33

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?