What is the mass of 0.513 mol Al2O3? Give your

answer to the correct number of significant

figures. (Molar mass of Al2O3 = 102.0 g/mol)

0.513 mol Al2O3 = |

g Al2O3

Write the complete symbol for a positron

What is the symbol for mercury on the period table?

Physical features on earth that form political divisions

Determine the pOH of a solution with the following 8.3*10^-7 M and classify the solution as acidic basic or neutral

Someone sprays perfume in another room. It can be smelled a few minutes later. Which process is this called? A. mitochondria B. active transport C. osmosis D. diffusion

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?

A food web shows the easiest way to get the most energy out of a producer the path a producer has to take to reach the top of the web how all organisms are connected through energy all of the possible energy pathways through an ecosystem