Given that vat contains 9600 kg of milk, what is the mass of mg of the milk that vat contains?

9.6x10⁹ mg

Explanation:

In order to solve this problem we need to convert 9600 kg into mg.

First we convert 9600 kg into g, keeping in mind that 1 kg = 1000 g:

9600 kg * = 9.6x10⁶ g

Then we convert 9.6x10⁶ g into mg, keeping in mind that 1 g = 1000 mg:

9.6x10⁶ g * = 9.6x10⁹ mg

The mass of milk miligrams is 9.6x10⁹.

C) Chemical changes involve formation of a new substance while physical change only impacts appearance or form.

Explanation:

The obvious difference between a chemical change and physical change is that in a chemical change new substances are produced while in a physical change, the form of the compounds are altered.

Most phase changes are products of physical changes. Such changes are easily reversible. In a chemical change, a new kind of matter is formed. It is accompanied by energy changes. The process is not easily reversible.