Which measurement describes the pressure of a gas?

725 mmHg

1.2 g/L

2.5 L

315 K

A chemistry student was asked to draw the electron configuration for carbon. Explain what is wrong with the electron configuration below. What rule did the student violate (Aufbau principle, Pauli Exclusion principle, or Hund's rule) ? 1s22s23p2

Owls do most of their hunting during the night and they have specialized cells in their eyes that provide good night vision. They can see some color, but their color vision is not highly developed.

What volume of 12.0 m hcl (aq) is required to make 75.0 ml of 3.50m hcl (aq) ?

What are all substances made of?

What tells you how much potential energy is in still water?

Which has a larger atom calcium or barium?

When a spring is compressed, the energy changes from kinetic to potential which best describes this change?

Which of the following elements is classified as a nonmetal Xe Ca Sb Cu

What two quantities does the AVEE measure

A compound is made of copper, nitrogen, and oxygen atoms. A sample of the compound has 6.4 grams of copper, 2.8 grams of nitrogen and 9.6 grams of oxygen. The compound has a molar mass of 188 g/mol. Write the name and formula of the compound.