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2.water is system,you freeze water in freezer
3.longest wavelength = lowest energy. shortest wavelength= more energy
4.a light source, a single electron passing
5.four lobes with a node at nucleus
6.top right is smallest, bottom left is biggest
7.same again plus sign means its slightly smaller
8.lowest ionization energy, bottom left smallest top right largest
9.second to last group has the largest electron, chlorine is the most
10. draw the two elements with their dots, and add the two together, the element that loses its dot becomes a []^+
11.add all the gases together and add the mmhg at that temp too
12.
13.use formula given. sqrt(massB)/sqrt(massA). make sure sig figs are same
14.use formula given. triangleT is tf-ti. .. tf-ti=ans(@temp)+initial temp/ans+1
15a. Cro4^2, O=6.(4*-2)-2.group1=+1. Fl=-1. group2=+2.H=1.O=-2.H always goes 1st O changes
15b.OIL RIG. after using above to write their numbers see what is being reduced and what is being increased(can be a element in a compound)
15c. oxidized = reduction agent. reduced=oxidized agent
16.enthalpie- reactants on left, product on right. if formula is complex divide by coefficent and subtract the deltaH from each other
17.
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