U7 HChem Intro to stoich - Pg 1 Notes

Open Ended

Explain how the concept of a recipe helps us understand stoichiometry in chemical reactions.

Multiple Choice

Why is stoichiometry important in chemistry?

• It helps in calculating the quantities of reactants and products in chemical reactions.

• It is used to identify chemical elements.

• It determines the color of chemical solutions.

• It is only relevant for organic chemistry.

Multiple Choice

Based on the information in the tables, which of the following are always conserved in chemical reactions?

• Mass and number of atoms

• Moles and molecules

• Volume of gas at STP

• Color of reactants

Multiple Choice

How many step will it take for me to go from moles given to moles unknown?

• 1

• 2

• 3

• 4