The enthalpy of combustion for octane (C3H18(0)), a key component of gasoline, is –5074 kJ/mol. The reaction equation is: C3H18(1) + 12.502(g) → 8CO2(g) + 9H2O(g). What is the AH+ for this reaction? 16CO2(g) + 18H2O(g) → 2C3H18(1) + 2502(g) kJ ​

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n