True or false on states of matter

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Boyle's law holds at constant temperature.

2. Statement is true

   No

   Statement

   Ion-dipole forces are van der Waals forces.

3. Statement is true

   Yes

   Statement

   R has the same value for all gases.

4. Statement is true

   No

   Statement

   Surface tension rises as it gets hotter.

5. Statement is true

   Yes

   Statement

   Avogadro was an Italian scientist.

6. Statement is true

   No

   Statement

   A gas liquefies above its critical temperature.

Instructions

Decide whether each statement is true or false.

Explanation