Asubstance composed of two or more elements in a fixed, definite proportion is
a. a homogeneous mixture.
b. a heterogeneous mixture.
c. a compound.
d. a solution.
e. an alloy.

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned