Theprovides support and rigidity to cells, allowing plants to stand upright.

Choose

Cell Membrane

Cell Wall

Cytoplasm

Which of the following would have a mass of about 1 gram? A. a small car B. a large beetle C. a small poodle D. a large bottle of water

Identify the values that should be tested to see if a change occurs • x-values • y-values • h-values • z-values

Explain how elements are arranged on the periodic table. In other words, explain why they are not just listed in one long list, but are instead grouped into rows and columns.

Express the equilibrium constant for the following reaction. P (g) + 3/2 Cl2 (g) ↔ PCl3 (g) K = [PCl3]^2/[P]^2[Cl2]^3K = [PCl3]/[P][Cl2]^3/2K = [P][Cl2]^3/2/[PCl3]K = [P]^1/2[Cl2]^1/3/[PCl3]^1/2K = [PCl3]^2/[P]2[Cl2]3

Which element above has 8 protons in its nucleus? a. oxygen b. carbon c. phosphorus d. sulfur

23 For a reaction at equilibrium, which change can increase the rates of the forward and reverse reactions?

If the formula for potassium chlorate is KClO3 and the formula for magnesium fluoride is MgF2, then what isthe formula for magnesium chlorate?

How can you tell if a chemical reaction has occurred?

An engineering team is conducting a trial launch of a new rocket. Which part of the engineering process is the team in?

What is a physical property of copper