How many kg of octane must be combusted to supply 1.0 x 1011 kJ of energy? 2 C8H18 (1) + 25 O2 (g) → 16 CO2 (g) + 18 H20 (g)
AH°(C8H18)= -250.1 kJ/mol
AH°F (CO2)= -393.5 kJ/mol
AH°F (H2O)= -241.8 kJ/mol

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

How many moles of oxygen react with 12 moles of aluminum