The cell will gain water and eventually swell up and burst
<span>The righ answer is the option A. They are made up of two or more pure substances that are not chemically bonded. A classicall expample ot heterogeneous mixtures are sugar and salt. Sugar is a pure substance, salt is also a pure substance, when you mixe them you form mixture where salt is still salt and sugar is still sugar, that is what "they are not chemically bonded" means. So you can separate them by physical media. </span>
Molar mass can be determined by adding the atomic masses of each individual element, depending on how many times they appear. You can find how many times they appear by looking at their respective subscripts. Atomic masses of each element can be found on the periodic table.
For example, in #1
Multiply the mass of Lithium (6.941) by 4, because there are 4 lithium molecules.
Multiple the mass of Phosphorus (30.974) by 2 because there are 2 Phosphorus molecules.
And multiply the mass of oxygen (15.999) by 7 because there are 7 oxygen molecules.
After you have those values, add them together to find the total molar mass of the compound.
1.oxygen
2. carbon dioxide
3. skin
4. true
5.all of the above
6. the rocks formed rapidly; the rock layers are young
7. false
8. true
9. false
I think it is the bottom left :)