Type the balanced chemical equation for the reaction of solid phosphorus and chlorine gas to produce liquid phosphorus trichloride. Include all
symbols. (don't worry about making the numbers subscripts or
superscripts) *

PLEASE HELP

What is the mass of 8 moles of sodium atoms

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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.