0
Rate this Study Guide:
☆☆☆☆☆The molecular formula specifies the actual number of atoms of each element in a molecule.
16.0 lbs = 7,257 g of O2
Oxygen exists in the gas form as 02
7,257g O2 * 1 mol O2/ 32 g * 2 mol O / 1 mol O2 * 6.022x10^23 atoms/mol
= 2.73E26 atoms of O
A+B ➝AB
it tells which compounds will dissolve in water
Percentage composition= (mass of the element/mass of the molecule)*100
The fraction of the molecule's mass that comes from the element's mass
air and fuel intake, compression and ignition, combustion and expansion, exhaust
It compares how reactive the metals are
It predicts if one metal will replace another metal in a compound
The correct answer is: C5H12 + 8O2 5CO2 + 6H2O.
A combustion reaction
K+ and SO42-
heat
The color of corn is different than the color of gasoline or coal
APEX
H2
It is the same as the element’s atomic mass, but in grams.
The product will contain only Zn, H, and CI. -Apex
