Given these reactions:

NO (g) + O3 (g) →NO2 (g) + O2 (g), ΔH=-199kJ

O3 (g) →32O2 (g), ΔH=-142kJ

O2 (g) →2O (g), ΔH=+495kJ

What is the ΔH for this reaction?

NO (g) + O (g) →NO2 (g)

A + B > AB is what kind of reaction?

What is the conclusion made by the de broglie

Write the net ionic equation for the reaction between lithium chloride and mercury (II) nitrate

Which element has the electron configuration [Xe] 6s2 4f14 5d10 6p2?

The electron configuration for an atom is 1s 2s 2p2. How many electrons does the atom have? 2 4 5 6

What water activities might be easier to do in Lake Assal's salty water? What activities could be more difficult?

The suffix "-megaly in the term gastromegaly means:

The harder you strike a drum, the greater the sound's A) medium B) volume C) frequency D) pitch

The equation X + Y 2Z has the rate law equation shown below. Which of the following statements best describes the relationship of X on the rate of the reaction? rate = k[X]2[Y] Changing X has no effect on the reaction rate.

What moves in or out of a substance during a change of state?