2C2H6 + 7O2 = 4CO2 + 6H2O What mass of CO2 will be produced from the reaction of 37.5 g C2H6?

please help

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

Why does asexual reproduction result in offspring with identicle genetic variation

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.