2. Atoms & Elements

How did Antoine Lavoisier demonstrate that mass is conserved in chemical reactions?

Which statement best describes the law of conservation of mass?

Which process is primarily responsible for removing carbon dioxide from the atmosphere according to the Law of Conservation of Mass?

Which of the following best explains why the law of conservation of mass should be studied in a closed system?

When balancing the chemical equation for photosynthesis, 6 CO_2 + 6 H_2O → C_6H_{12}O_6 + 6 O_2, are there any leftover atoms after forming oxygen and glucose? Why or why not?

Why does the law of conservation of mass require that chemical equations be balanced?

Which types of changes obey the law of conservation of mass?

Which of the following chemical equations satisfies the law of conservation of mass?

Which of the following chemical equations follows the law of conservation of mass?

Which statement best describes the law of conservation of mass?

Which of the following best represents the law of conservation of mass in a chemical reaction?

According to the Law of Conservation of Mass, how do the atoms present before a chemical reaction compare to the atoms present after the reaction?

According to the Law of Conservation of Mass, what happens to the atoms during a chemical reaction?

Which statement best describes the law of conservation of mass?

According to the Law of Conservation of Mass, what should the total mass of the jar and its contents be after the candle goes out in a closed system?