He could use a $10 & $1 bill! This would leave him with only having to get $0.49 in change.
Answer:
If the temperature after mixing is higher than the temperature before mixing, It means that the forces acting between A and B molecules have increased (which is the new intermolecular forces).
There will be increase in the energy (brought temperature increase)required to break the old forces of attraction within each liquid molecules.
200 m is longer than 100m and 50m
The answer is 5 because 5 times 13 is 65