Consider the reaction. 2HF(g) +

H2(g) + F2(g)

At equilibrium at 600 K, the concentrations are as follows.

[HF] = 5.82 x 10-2 M

[H2] = 8.4 x 10-3M

[F2] = 8.4 x 10-3M

What is the value of Kea for the reaction expressed in scientific notation?

O 2.1 x 10-2

102.1 x 102

1.2 x 103

0 1.2 x 10-3

Nonmetal halogen family atmoic mass 35

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.