The equation for the chemical reaction shown is not balanced. What number should replace the question mark to balance this equation?

2Ag2O →? Ag + O2

A.

2

B.

3

C.

1

D.

4

When the ocean absorbs CO2 the pH of the ocean water drops. What's the effect of this process?

If the H + in a solution is 1x10^-1 mol/L what is the OH-

What is a noble gas electron configuration of bismuth?

Identify items in your life that are made of each type of element: metal, nonmetal, and metalloid. For each item, explain why the properties of that type of element are necessary for the function of that item

Why is Ca + NaCl - > Ca (NaCl) 2?

Molar heat of condensation/vaporization of energy definition chemistry

What do different rock textures of metamorphic rock reflect

Calculate the formula mass for each compound. a. NO2 b. C4H10 c. C6H12O6 60. Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Cr (NO3) 3

How many electrons will calcium gain or lose when it forms an ion?

Which statement describes thermal energy? the energy that is associated with electric fields the energy that is stored in chemical bonds the energy that is associated with the pull of gravity the energy that is associated with temperature