What symbol is used to separate the products from the reactants in a chemical reaction?

a. an equal sign

b. an arrow pointing to the left

c. an arrow pointing to the right

d. a plus sign

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag