A Room Measures 3 M × 4 M × 2

A room measures 3 m × 4 m × 2 m and is at 15°C and 1 atm. When the temperature is increased to 25°C, the number of molecules that escape from the room, assuming that the pressure stays at 1 atm, is

A) 6.1 × 10²⁶.
B) 2.1 × 10²⁵.
C) 2.9 × 10²⁶.
D) 1.2 × 10²⁸.
E) 7.04 × 10²⁷.