Answer:
A
Explanation:
If you use a magnet it would collect the iron without getting the sand mixed in, this would be a mixture because you can take it apart.
Hope this helps.
Answer:
so 0.15 moles X 22.4 dm3/mole=3.36 dm3. Next we find the moles of hexane combusted, and then the moles of CO2. Finally, we find the volume of CO2 using the fact that at STP, 1 mole of gas = 22.4 dm3.
Answer:
The number of atoms in the outermost shell
Explanation:
For example, the electron shells in the alkali metals contain the following numbers of electrons:
Li: 2, 1
Na: 2, 8, 1
K: 2, 8, 8, 1
They all have one electron in their outermost shell, and they have similar chemical properties.
Answer:
I believe the answer is C
Explanation:
Answer:
The dog moves forward because of friction.
Explanation:
When something moves because of feet or paws there is friction involved
P.S would really be happy if you could give brainlyiest