Admin Table of Contents
- 1 What happens when reactions occur?
- 2 What do we call it when matter is neither created or destroyed in a chemical reaction?
- 3 When matter changes state What two things are always conserved?
- 4 Which of the following summarizes this observation energy can neither be created nor destroyed?
- 5 How is matter created or destroyed during a chemical reaction?
- 6 How is the conservation of matter related to a chemical reaction?
- 7 What happens to matter during a nuclear reaction?
What happens when reactions occur?
Reactions occur when two or more molecules interact and the molecules change. Bonds between atoms are broken and created to form new molecules. That’s it.
What do we call it when matter is neither created or destroyed in a chemical reaction?
The Law of Conservation of Mass dates from Antoine Lavoisier’s 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
In which type of reaction is matter created?
Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions.
When matter changes state What two things are always conserved?
Answer: When a substance changes state, matter and energy are conserved.
Which of the following summarizes this observation energy can neither be created nor destroyed?
Which of the following summarizes this observation: “energy can neither be created nor destroyed”? The total amount of matter (atoms) before and after a chemical reaction (change) remains the same.
What happens to matter during chemical reactions?
In reactions under normal laboratory conditions, matter is neither created nor destroyed, and elements are not transformed into other elements. Because matter is not created or destroyed in a chemical reaction, the total mass of reactants is the same as the total mass of products.
How is matter created or destroyed during a chemical reaction?
Answer 1: A chemical reaction does not create or destroy matter, it simply moves electrons from one atom to another, but does not change the nucleus of the atoms. The total mass of the matter remains a constant in any chemical change. The total mass of the matter can change during a nuclear reaction, the mass loss can convert into energy,…
The conservation of matter. This indicates that one molecule of methane reacts with two molecules of oxygen to produce one molecule of carbon dioxide and two molecules of water. The equation is balanced because the same number of atoms of each element appears on both sides of the equation (here one carbon, four hydrogen, and four oxygen atoms).
Why is the mass of reactants in a chemical reaction the same as its mass?
For example, in the iron-sulfur equation the symbol Fe represents 55.845 grams of iron, S represents 32.066 grams of sulfur, and FeS represents 87.911 grams of iron sulfide. Because matter is not created or destroyed in a chemical reaction, the total mass of reactants is the same as the total mass of products.
What happens to matter during a nuclear reaction?
The total mass of the matter can change during a nuclear reaction, the mass loss can convert into energy, which is called the nuclear power. So we can say that a nuclear reaction creates/destroys matter, if we define matter only as its mass.