Lesson 2: What Happens to Mass During a Chemical Reaction? Preview CT-STEM

Analyzing Results

What happens to mass during a chemical reaction? Review your class data from the two experiments and explain what happens to the overall mass of the reactants and products.

Questions

Please answer the questions below.

Question 5.1

1. What claim can you make about the change in mass from your total reactants to your total products?

Question 5.2

2. What evidence from your experiments do you have that matter (mass) is conserved in a chemical reaction? Be sure to explain what it means to be "conserved" in your answer.

Notes

These notes will appear on every page in this lesson so feel free to put anything here you'd like to keep track of.