A balloon containing 2.0 m3 of hydrogen gas rises from a location ...

[OSWALD]

A balloon containing 2.0 m3 of hydrogen gas rises from a location at which the temperature is 22C and the pressure is 101 kPa to a location where the temperature is -39C and the pressure is 20 kPa.
 
  If the balloon is free to expand so that the pressure of the gas inside is equal to the ambient pressure, what is the new volume of the balloon? A) 4.0 m3
  B) 6.0 m3
  C) 8.0 m3
  D) 10 m3
  E) 12 m3

Question 2

An AC generator rotating at 60. Hertz in a 300. Gauss field has 1000. turns and produces an rms voltage of 150. volts and an rms current of 70. Amperes.
 
  (a) What is the peak current?
  (b) What is the area of each turn in the coil?

[Sarahjh]

Answer to Question 1

C

Answer to Question 2

(a) 99.A
(b) 0.019 m2

[OSWALD]

TYSM

[elyse44]

Thanks for the timely response, appreciate it