when the thermal energy is the energy contained within a system that is responsible for its temperature.
and when the thermal energy is can be determined by this formula:
q = M * C *ΔT
when q is the thermal energy
and M is the mass of water = 100 g
and C is the specific heat capacity of water = 4.18 joules/gram.°C
and T is the difference in Temperature = 50 °C
So by substitution:
∴ q = 100 g * 4.18 J/g.°C * 50
= 20900 J = 20.9 KJ
Hello!
The molecule with the strongest intermolecular forces is CO₂ (Carbon Dioxide)
All the listed substances are nonpolar molecules, meaning that there isn't a dipolar moment (a difference in polarity resulting from the arrangement of atoms and electronegativity differences). Nonpolar molecules only have intermolecular interaction in the form of London dispersion forces.
London Dispersion Forces are stronger as the molecule size is bigger, so of the listed substances the biggest is CO₂, and it has the strongest intermolecular forces. This is evidenced by the fact that this substance has the highest boiling point of them all.
Have a nice day!
Conduct creates, convect rubs, and radiation gives heat.
A material is a mixture if it is not pure
We are told we have an oxyacid of the formula HOFO. We will assume the atoms are in this order and will draw a proper lewis structure for this compound by first drawing bonds between each of the 4 atoms and then place the remaining electron pairs on each atom:
.. .. ..
H - O - F - O:
·· ·· ··
We can calculate the formal charge of an atom using the following formula:
Formal charge = [# of valence electrons] - [# of non-bonded electrons + # of bonds]
H: Formal charge = [1]-[0+1] = 0
O: Formal charge = [6]-[4+2] = 0
F: Formal charge = [7]-[4+2] = +1
O: Formal charge = [6]-[6+1] = -1
As we can see the overall charge of the molecule is neutral since the fluorine as a +1 charge and the oxygen a -1 charge.
