Which of the following statements describes elements? a. Elements can be separated into simpler substances
b. The particles that make up an element are different from each other
c. Elements cannot be combined in a chemical reaction
d. Elements have unique sets of properties

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)