Answer:
Explanation:
A substance melting is a physical change and the properties of the substance will remain same, only that the substance will just become liquid.
On the other hand, burning is a chemical change which produces an entirely new compount(in most cases, ash) which does not have the same properties as the original object
Answer:
9. B
10. A
I hope this really helps you out
An atom is the basic unit of matter.
Answer:
Oxygen's atomic weight is 16.00 amu. 1 mole of oxygen is 6.02 x 1023 atoms of oxygen 1 amu = 1.661 x 10-24g What is the molar mass (g/mole) of oxygen? Molar mass (in grams) is always equal to the atomic weight of the atom!
Explanation:
i looked it up ok
The best phrase to complete the sentence is "single bonds". <span>A hydrocarbon molecule is considered to be saturated when the molecule contains single bonds. </span><span>Alkanes are a saturated type of hydrocarbon. They only
consists of hydrogen and carbon atoms in single bonds. The general formula is
CnH2n+2. </span><span>C4H10 is the molecular formula for butane. It is an example of a saturated hydrocarbon.</span>
