Neon gas is an example of
a. element
b. compound
c. homogeneous mixture
d. heterogeneous mixture

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

How do you count the total number of atoms present on one side of a chemical equation?