C because, its products is heavier than each of its reactants
Two electron pairs is the answer
Hi. I can't help you if you don't have an equation. Please provide one.
Answer: Some of the chemical energy in natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.
Explanation:
The natural gas consists of chemicals, which when burn produces thermal energy. This thermal energy is utilized for heating or boiling water. The boiling water produces steam the steam tries to come out of the kettle thus makes sound over the kettle lid, the pressure created by steam while leaving kettle produces sound energy.
Answer:
Examples of Solids
1. Brick
2. coin
3. Iron bar
4. rock
5. wood
Examples of Liquids
1. Blood
2. Honey
3. Wine
4. Water
5. oil
Examples of Gases
A gas does not have a defined shape or volume, so it can expand to fill any size or shape of a container. Particles in gases are widely separated, compared to those in liquids and solids.
Explanation: