Urgent plese and you
an ideal gas sample weighing .546 g at 100 degrees celsius and .993 atm has a volume of .237 l. determine the molar mass of the gas.
a. 71.3 g/mol
b. 143 g/mol
c. 19.1 g/mol
d. 0140 g/mol

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)