The temperature of the diatomic hydrogen gas sample is increased to 100 °C. The root-mean-square speed (vrms) for diatomic hydrogen at 100 °C is ________.
1) Cannot be determined
2) 4.19 × 10³ m/s
3) 2.09 × 10³ m/s
4) 1.05 × 10³ m/s