If a sample of nitrogen gas (N2) contains 3.0 x 104 atoms of nitrogen, then about how many moles of nitrogen gas are in the sample?

Given the equation representing a closed system:N2O4 (g) 2NO2 (g) Which statement describes this system at equilibrium?

Construct the molecular orbital diagram for h2 - and then identify the bond order

What is the reason for the low solubility of LiF (0.27 g per100 ml H2O) compared to CsF (367 g per 100 ml H2O) ?

Why are electrons important?

Joshua hooks a rubber band between his thumb and forefinger. He moves his fingers apart, stretching the rubber band. With a quick, sudden motion, he bends his thumb forward so that the rubber band slips off. What happens next? A.

Which information in the periodic table indicates the number of protons in an atom? A. the position of the element in its column B. the element's chemical symbol C. the element's atomic mass D. the element's atomic number

What were the expected results of Rutherford's gold foil experiment, based on Thomson's model of the atom? How did the real results of the gold foil experiment change the accepted model of the atom?

How many neutrons are in titanium

What planet has the largest known mountain in the solar system Two Moons and a period of rotation equal to 24.6 hours

A solution is another name for