What happens to rubber when hammered​

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum