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Clipping is a handy way to collect important slides you want to go back to later.Iugene LeMay, Jr, sruce.Divide the total charge on each drop by the appropriate integer and average the four values to get the charge of an electron in warmombs.) 159.79 amu (d) : -j x avg.The determined age chemistry of the artifact, 1,900 years, has two significant figures.X(78.918) (1.916) science :.895,.5110 793:.10,31Br.90 (a) an alkali metal: K (b) an alkaline central earth metal: Ca (c) a noble gas: Ar (d) a halogen: Br (e) a metalloid; Ge (f) a nonmetal in 1A: H (g) a metal that.An empirical formula shows the simplest ratio of atoms in a molecule or elements in a compound.2 Atoms, Molecules, and Ions (d).83 (a) (I0) (C1) (6).84 solution (R) (I9) Solutions to Black Exercises C:.88 x 10"5 /.88 10's.00;1.00 x 3 3 D:.64 X 10 /.88 X l08.00;.00 X 3 9 chemistry The total charge.The final answer will appear with the correct number of significant gures.0.08594 mol 02.06875.0688 mol NH3 required 4 mol NO.01gN0.08594 10 mo 2x5mol02 lmo1N0.063.06 g NO produced 6mol H20.O2gH20.08594 mol 02 x _ 5molO2 lmoll-120 -.8583.86g H20 produced (c).08808 science mol NH3.2.18 (a) r d/2 XExi.The CI-: nIIal central Sc/ ellce, Heventh tdluon, by Iheoclore.1000.997 H o (a) 25C:.50 L H20.Ideally, this will lead to the desired units in the appropriate location, numerator or denominator._1'69 Tm 1000' 39 x 103 m 1m1 1km (b).4 x 105 mi x -1691". Agx (b).000 science cm?
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Total mass manual products - mass sample mass 02 consumed.Members of a group have the same common ionic charge and combine in similar ways with other chemistry science elements.Rm: Cerrtral Sc/ ence, neuenm tdiuon, by lheodore.) Note: This is the first exercise where "intermediate rounding occurs.(126.96.36.199.61 Based on the average, set I is more accurate.) (d) physical (The production of soot is a chemical change, but its deposition is a physical change.C H O 44- X g 2 3 2x314.5gC21H30O2.95X10".0 10_B mol.022 x 10 23 molecules.95 10_8 mo1C21H30O2 X 1mol.821016 C21H30O2 molecules Empirical Formulas.44 (a) Calculate the simplest ratio of moles.The mole ratio is 2:6 central or 1:3.Copyright 6 2000 by Pearson tducation.Peak 3, 161.832 m 162, represents a 8Br Br molecule.3 mol H2804.72.500 1A1 OH m ( )3X2molAl(OH)3.750 mol H2804 needed for complete reaction 33 Solunans m Black Exen: /ses, Heventh tduuon, by Roxy wuson and lheodore L Brown, to accompany cnenusuy.The unknown particle is positively charged.Fractional abundance x mass of isotope Atomic weight.014(203.97302).241(205.97444).221(206.97587).524(207.97663) 207.22 207 amu (The result has 0 decimal chemistry places and 3 sig figs because the fourth term in the sum has 3 sig figs and 0 decimal places.