1. What is the volume of 4.50 moles of propane gas (C3H8 ) at STP?
2. How many moles of oxygen gas are there in 13.5 L of
oxygen gas at STP?
3. What volume (in L) will be occupied by 0.0035 moles of
chlorine gas at STP?

thanks so much

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)