Answer:
yes it is a chemical change
Explanation:
because first it was in liquid and turned into gas
Answer:
I think it would be C but don't quote me on it
Explanation:
It adds another obstacle for the current to go through
1. write the conversion as a fraction (that equals 1)
2. Multiply it out (leaving all units in the answer)
3. Cancel any units that are both top and bottom<span />
Answer: 37.485 psi
Explanation: using the gas law and assuming that volume is constant due to nor being stated we use the formula
P1/T1=P2/T2
Note that the tempreture should be changed from °C to K by adding 273
