C3H8 + 5O2 → 3CO2 + 4H2O a. How many moles of oxygen are necessary to react completely with fours moles of Propane (C3H8)?

b. How many moles of Propane (C3H8) are needed to produce 25 moles of carbon dioxide?

c. How many molecules of water will 3 moles of propane (C3H8) produce?

Compound with sulfer  is bright red 

We first assume that this gas is an ideal gas where it follows the ideal gas equation. the said equation is expressed as: pv = nrt. from this equation, we can predict the changes in the pressure, volume and temperature. if the volume and the temperature of this gas is doubled, then the pressure still stays the same.

Answer(d) unstable compounds that convert to acetals in the presence of alcohol and an acid; (b) semiacetals produced by alcohol subtraction from ketone;