A chemist takes 50-gram sample of sulfur powder that has a melting point of 115.2 °C. What is the melting point of a 100-gram sample of sulfur powder?
a 115.2 °C since melting point is an extensive property
b 115.2 °C since melting point is an intensive property
c Double of 115.2 °C since melting point is an intensive property
d Double of 115.2 °C since temperature is an extensive property