Which of the following statements are true? The activation energy (Ea) must be overcome in order for a reaction to occur.

Decreasing the temperature of the system increases the surface area.

Increasing the concentration of reactants decreases the amount of products.

The higher temperature you have the less kinetic energy there is.

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

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. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest