Atype of hot pack uses the reaction of finely divided iron metal with oxygen from air to generate heat. given the thermochemical equation below, how much heat can be released if 45.4 g of iron is consumed? 4 fe(s)+3 029)2 fe203(s) ah-1.65 mj o
a. 1.34 x 103 kj
b. 336 kj o
c. 672 kj
d. 2.68 x 103kj
e. 41.3 kj

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

distance, luminosity, brightness, radius, chemical composition, and temperature

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements