Can I have an example of both a physical and chemical change taking place at the same time. It can't be burning a candle, food chewing and digestion, and burning wood.

If you dilute 40.0 mL of a 7.0 M solution to make 100.0 mL of solution, what is the molarity of the dilute solution?

What happens to the gas particles in an inflated ball when it gets a hole? why?

Describe how this volcanic activity led to the formation of oceans

How many mL of 1.00M HCl are needed to neutralize 400mL of 0.200M NaOH?

An organism with 2 different alleles is called?

The conversion of chemical energy to mechanical energy is best described by which example? A. sunlight warming the ground B. electricity boiling water C. fuel being combusted to power a rocket

he density of solid aluminum is 2.70. If a 1g peice of aluminum is dropped in a cup of water, it will sink to the bottomfloat to the tophover in the middle. (The density of water is 1.0

Match the action to the effect on the equilibrium position for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g). Match Term Definition Increasing the pressure A) Shift to the left Removing hydrogen gas B) No effect Adding a catalyst C) Shift to the right

The number of electrons in a neutral atom of hydrogen (H) atom is

What is buffer solution?