IPS- Notes Combustion Reaction

Open Ended

Does Figure 1 obey the Law of Conservation of Mass? Explain your reasoning based on the atom count.

Open Ended

Describe a situation from everyday life where you have observed a chemical reaction. What made you realize a chemical change was happening?

Multiple Choice

Why is it important to understand chemical reactions in our daily lives?

• Because they help us cook food

• Because they are involved in breathing and digestion

• Because they are used in manufacturing and industry

• All of the above

Multiple Choice

Which of the following are the reactants in the chemical reaction shown in Figure 1?

• Methane and Oxygen

• Water and Carbon Dioxide

• Methane and Water

• Oxygen and Carbon Dioxide

Multiple Select

Which of the following factors contribute to the faster spread of wildfires during summer and fall?

• Higher temperature

• Lower humidity

• Increased energy

• All of the above

Open Ended

Explain how wind affects the rate of wildfire spread according to the lesson.

Multiple Choice

Which of the following statements best describes the Law of Conservation of Mass?

• The total mass of reactants equals the total mass of products.

• Matter can be created during a chemical reaction.

• Matter can be destroyed during a chemical reaction.

• The total mass of products is always greater than the mass of reactants.

Multiple Choice

What is the correct ratio of coefficients needed to balance the chemical equation: CH4 + O2 → H2O + CO2?

• 1, 2, 2, 1

• 1, 1, 2, 2

• 2, 1, 2, 1

• 1, 2, 1, 2

Open Ended

Explain how the law of conservation of mass applies to the reaction between methane and oxygen, using the given masses of reactants and products.

Open Ended

Reflecting on today's lesson about chemical reactions, combustion, and conservation, what is one concept you found most interesting or would like to learn more about?