Answer:
I think it would be exchanging sorry if it's wrong
Assuming hat both gases obey charles' law at all temperatures are at the same pressure
Answer:
A. 100 Watts
B. 12 Watts
C. the first bulb
Explanation:
A. The formula for power is Work done/time
6000J/60seconds = 100J/s or 100W
B. Another formula for power is Current * Voltage
0.05*240 = 12W
Some things travel faster than the speed of light
Let's convert the distance in meters first:

The sound wave travels at speed

So we can use the basic relationship between space, time and velocity to calculate the time it takes for the sound to reach our ears: