Where does the energy that is released come from in a nuclear reaction in fission?

Charles' law explains which of these phenomena? A. why a balloon deflates when the air around it cools B. why solids require heat in order to change into gases C. why the pressure of a gas increases when volume decreases D.

How many gram-atoms are in 120-gram sample of calcium metal? How many atoms is this?

How was the periodic table arranged

What processes occur in a plant leaf?

What is the specific environmental in which organism lives?

The charge of the stable ion of P

A change in the properties of matter where chemical bonds are broken and new bonds are formed is a.) a chemical change b.) a physical change c.) an ionic change d.) a covalent change

Write a chemical equation for the chemical reaction in which calcium carbonate (CaCO3) produces calcium oxide (Cao) and carbon dioxide (CO2).

How do you know the difference between a compound and mixture?

A 68.4-g sample of potassium chloride was added to 200.0g of water at 20 degrees C. Is the solution saturated, unsaturated, or supersaturated?