Mass of CaCO3= mol x molar mass
= 21.3 mol x 197.335 g/mol
4203.2355g
=4.2032355g
There has been many theories concerning how the world started. It can be explained by the big bang theory where spacetime and matters expanded outward to form our universe, and planet formed due to gravitational attraction. This is how the world started. Can you follow me and like me please?
D) refracted
because , the light changes direction.. causing the penny to look bigger than it is.
To form a salt compound, the acid contribute a NON METAL ION and the base contributes a METAL ION.
In chemistry, acid and base react together to form salt and water only. For the salt formed, the positive metal ion comes from the base while the negative non metal ion comes from the acid.
Answer:
I think C if not then B
Explanation:
Heat will change the product and will become a chemical change.
