Systems in nature tend to undergo changes towards?

(1) Lower energy and less disorder

(2) Higher energy and less disorder

(3) Lower energy and more disorder

(4) Higher energy and more disorder

A janitor comes across a spilled substance on the floor of a high school chemistry lab. He wants to make sure the liquid is neutral before he cleans it up. What would be safest to add to the puddle? A. Pour on a base B. Pour on a buffer C.

Melanie has developed a strategy to achieve the company's goals. Regardless of how good this is for the company, she can't get the employees to buy in to make the strategy successful. What should Melanie do?

Why is Cl2 + KI → KCl + 12 not a synthesis reaction? A) Oxygen is not a product in this reaction. B) The reaction has more than one product. C) Oxygen is not a reactant in this reaction. D) The reaction has more than one reactant.

Which of the following were found to destroy ozone in the upper atmosphere? A. sulfur oxides. B. CFCs. C. nitrogen oxides. D. carbon dioxide.

What is the total energy required to break all the bonds in 1 mol propanol, C3H8O?

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.

What effect does nuclear radiation have on atoms? It splits atoms. It burns atoms. It ionizes atoms.

The density of an aqueous solution of nitric acid is 1.36 g/ml and the concentration is 2.48 m. what is the concentration of this solution in percent by mass?

In a crystal lattice of an ionic compound, A. Kind of a given charge are clustered together B. Ions are surrounded by ions of the opposite charge C. A sea of electrons surrounds the ions D. Neutral molecules are present

Discuss why two objects of made of the same type of matter at the same starting temperature with different masses increase in temperature at different rates when the same amount of thermal energy is transferred to each object.