What is enthalpy a measure of?

The heat content of a system.

The kinetic energy of a system.

The number of moles of reactant in a system.

The disorder of a system.

What volume would a container be at if it held 21.4g of argon at a temperature of 12.5°C and a pressure of 1.25atm?

F-Block elements are also called inner-transitional elements? give reason.

What happens during midwinter when the North Pole is tilted away from the Sun? A) There is no night. B) The days are very long. C) The days are very short. D) There is no sun at all.

Agriculture cultivation, forest harvesting and overgrazing are all positive effects on soil.

Which interactions and processes contribute to the dissolution of ionic compounds in water? Check all that apply. a. Hydrationb. Affinity of oxygen towards cationsc. Ion-dipole interactionsd. Hydrogen bondinge. Affinity of hydrogen towards anionsf.

Which probably best indicates that a compound contains an ionic bond

A gas in a balloon at constant pressure has a volume of 185 mL at - 125*C. What is it's volume at 31.0*C? Show all work including what equation or gas law you use.

Which of the following is a property of metals that is due to the delocalized electrons A. transparency B. dull Appearance C. brittle D. good conductor

Three identical beakers each hold 1000 g of water at 20 ∘C. 100 g of liquid water at 0∘C is added to the first beaker, 100 g of ice at 0 ∘C is added to the second beaker, and the third beaker gets 100 g of aluminum at 0∘C.

What would be an example of a chemical change that took a long time to occur?