The total volume of hydrogen gas needed to fill the Hindenburg was 2.11  108 L at 1.00 atm and 24.7°C. How much energy was evolved when it burned? A) 8.64  106 kJ B) 2.98  1010 kJ C) 3.02  104 kJ D) 2.47  109 kJ E) 4.94  109 kJ

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates