a hot air balloon hovers in space at an altitude of 400m. the air pressure is 0.95atm and the envelope holds 2,000,000L of air. How many moles of gas does it hold at 18 degrees celsius?

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds