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

Which methods could be used to dilute a solution of sodium chloride (NaCl) ? Select all that apply. Add more NaCl to the solution. Add more water to the solution. Remove a small amount of the solution and mix it with water.

24 During the operation of a voltaic cell, the cell produces (1) electrical energy spontaneously (2) chemical energy spontaneously (3) electrical energy nonspontaneously (4) chemical energy nonspontaneously

Which type of plates slide past each other in opposite directions? opposite transform subduction divergent

What is speed? Science A. Time per distance (hours per mile or seconds per meter) B. Distance per time (miles per hour or meters per second) C. Time (hours or seconds) D.

The Coriolis effect is caused by the jet stream.

Which statement gives the main idea of the kinetic theory of heat? When objects are heated, particles slow down. Colder objects emit more radiation than hotter ones. Heat is transferred by the interaction of moving particles.

Which best explains the difference between a monomer and a polymer? A monomer is larger than a polymer. A monomer contains carbon and a polymer does not. A polymer contains carbon and a monomer does not. A polymer is larger than a monomer.

Examine the three isotopes of potassium (K) below. potassium-41, potassium-39, potassium-40 Which answer choice lists these isotopes in the order of having the least amount of neutrons to having the most amount of neutrons?

What similarities do nuclear energy and chemical energy share?

Which ion was fomed by providing the second ionization to remove an electron A) ca2 + B) N3 - B) Fe3 + C) S2