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- Model 5: Isotope Natural Abundances Atom Most common isotope C O S N CI Br 12C (100) 160 (100) 32S (100) 14N (100) 35 CI (100) Jump in Mass Next most common isotope (no. extra neutrons) (no. found for every 100 atoms of most common isotope) +1 13C (1.11) 180 (0.20) 34S (4.40) 15N (0.38) 37 Cl (32.5) "¹Br (98.0) 79Br (100) For example: There are 1.11 *C atoms on the planet for every 100 ¹2C atoms. Equivalent ways of saying this are: There are likely to be 111 1³C atoms in a sample of 10,111 carbon atoms or 1.10% of the carbon on the planet is 1³C (since 111/10,111 x 100% = 1.10%). Critical Thinking Questions 15. What does the superscript to the left of each atom label tell you (e.g., the 12 in ¹2C)?76 34 Q. Identify the chemical symbol of element Q in Se As Mo Os Al 125 -) (2) 3)K²=32 2016 #H HE M = PENNS 00.5 = [14] (MOOS = [V] [MOLO FAVOROins nos 40241 23 enorpos 09 10 1011 3 MUNGHOUD? 1D 21 NT A 00091 907 559100 21 no inw 1/09 2000 200 DAD91 SNT 8 SNT.S (s) + 6C1₂ (9) = 4P(|3 (9) P₁ Express the equalibrium constant for this reaction
- $ 4 a F4 R Provide Feedback F LL How many carbon atoms are there in a diamond (pure carbon) with a mass of 49 mg ? Express your answer in atoms to two significant figures. View Available Hint(s) N = Submit 15] ΑΣΦ % 5 9 F5 T G 6 MacBook Air F6 Y H & 7 F7 U ? * 00 * 8 J atoms DII F8 ( 9 K F9 LI tried typing 1.2 for A and 2.25for B but it is incorrectA 47% D Ask Laftan Anlamaz - Episode O st. John's University - Sign In x A ALEKS - Iffat Khan - Learn G i.v - Google Search A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-lijkPWvZoZLqkt1FLIq7wcPWKzBYGfE9IMFjvvh3x_rz6naF9YTN80Bms6y067EgyeOUwHKJOr O STOICHIOMETRY Calculating and using the molar mass of diatomic elements A chemist determines by measurements that 0.0600 moles of chlorine gas participate in a chemical reaction. Calculate the mass of chlorine gas that participates. Round your answer to 3 significant digits. Explanation Check O 2021 McGraw-Hill Education All Rights Roronınd II
- ind Flipgrid | alfarorms google Meet Joh Desmos | Scientific.. My Apps t Luis banuelos goal t to reflect your answers. ZOOM Background O Size AAA 2 NaNO3 + PbO > Pb(NO3)2 + Na,0 Agl + Fe (CO,), → Fel3 + Ag,CO, CH.O2 + CO, + H2O ZnSO, + LizCO, > ZNCO, + Li SO. V,O5 + Cas > CaO + V,S5 Mn(NO2)2 + BeCl2 > Be(NO)2 + MnCh AgBr + GAPO, → Ag PO, + GaBrs H2SO, +2 B(OH)3 → B2(SO.)3 * _6_ H20 S8 + O2> SO2 acerPT McGraw Hill Campus Cn [11 O ATOMS, IONS AND MOLECULES Finding atomic mass from isotope mass and natural abundance isotope 74°F 100. Calculate the Molar Mass of Acet X+ https://www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liG1Sp4C1qHE9vg-2-exSXq493r_tJ2gZs0a-_xkRSR8a7T-... A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar System. Mass-spectroscopic analysis produced the following data on the isotopes of molybdenum in these samples: Mo 99.91 Mo 95.90 x A ALEKS - Elizabeth Galaz - Learn x mass relative (amu) abundance Mo 0 96.2% Explanation 3.8% Use these measurements to complete the entry for molybdenum in the Periodic Table that would be used on 98765 ALEKS. Round your entry for the atomic mass to 3 significant digits. Caution: your correct answer will have the same format but not necessarily the same numbers as the entry for molybdenum in the Periodic Table we use here on Earth. X Check A A AB Search 3/5 hp A @ 0 LE Elizab…Naturally occurring bromine is a mixture of 50.69% Br-79 with an amu = 78.92 and 49.31% Br-81 with a mass of 80.92 amu. What is the atomic weight of bromine? Show work. (5 points)
- Edit of ne of wil of 5. You A recl points) History Bookmarks Window Help ●●● D Content ATOMS, IONS AND MOLECULES Deducing the ions in a binary ionic compound from its empirical... Ionic compound NaCl Cu Br ZnF₂ V Complete the table below by writing the symbols for the cation and anion that make up CrI, MnCl4 Explanation A ALEKS-Katelyn Pearson... cation anion Na U 0 0 Cl 0 U U U U Check hal D Summary X S www-awu.ale! 1 cup of cleaned and trimmed onions weighs 4 ounces. 1 pound of onions weighs 14.5 ounces after they are cleaned and trimmed. 1ing and leX enakeCovalentActivity.do locator-assignment-take 00 a. What would be the formula of the compound formed by a reaction of chlorine with calcium (Ca)? b. What would be the formula of the compound formed by a rcaction of chlorine with strontium (Sr)? Submit Answer Try Another Version 10 item attempts remaining %23 77°F Partly 米 & 4. 6. L. 8 6. Y U { J K V M. alt co .. G(b) 0.74 MMgSO4 lons: So,2- O So,- SO- Sot Mg2+ Mg* 04 [cation*] = %3D M [anion]= M %3D