D. a and b because same-charged particles repel each other
1.3622052x10^6 you move the . 6 places to the left making it a positive 10^6
Answer:

Explanation:
1. Calculate the work
w = - pΔV = -4.3 atm × (43 L - 20 L) = -4.3 × 23 L·atm = -98.9 L·atm
2. Convert litre-atmospheres to joules

The negative sign indicates that the work was done against the surroundings.
C. If the mass or length of substance changes it's extensive