Which gas is least likely to obey the ideal gas laws at very high pressures and very low temperatures?

a) he
b) ne
c) kr
d) xe

What is the mass of sodium in 3 moles of sodium chloride

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?