How many moles of gold are in 31.3 g of gold?

Name two salts used in black and white photography

What is the molarity of a 750.0 milliliter solution containing 2.5 moles of solute?

The reactants in a chemical reaction contain 900 J of chemical energy. The products of the reaction contain 9000 J of chemical energy. Which statement best describes this chemical reaction?

What could explain the curve in this population growth graph?

Multiple questions: 1. What does the theory of continental drift explain? A: the breakup up of Pangaea B: the formation of the Circle of Fire C: the break up Selena Gomez and Justin Bieber D: the formation of the earth's layers 2.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda