QUESTION 11Which of the following formula/name pairs are incorrect? More than one may be incorrect. Markall hat are incorect.A.N204dinitrogen tetroxideB. FeCl3OC. BeOiron trichlorideberyllium(II)oxidesulfuric acidcobalt(II) nitrateD.H₂SO4E. Co(NO3)2QUESTION 126 Li (s) + N2 (9)→2 Li3N (s)Solid lithium reacts with gaseous nitrogen to yield solid lithium nitride according to the equation below. Suppose 5.00 g of Li (s) is reacted with 5.00 g of N2 (g). Howmany grams of the excess reactant are remaining after the reaction has gone to completion? (Write your answer in 3 significant figures, DO NOT INCLUDE UNITS)8035 Br¹-ion?

11.) We need to check the names of the given compounds as per naming rules. Note : Since you…

QUESTION 11 Which of the following formula/name pairs are incorrect? More than one may be incorrect. Mark all that are incorect. AN204 dinitrogen tetroxide B. FeCl3 0C. BeO iron trichloride beryllium(II)oxide sulfuric acid cobalt(II) nitrate D.H₂SO4 E. Co(NO3)2 nuation below. Suppose 5.00 g of Li (s) i nur answer in 3 significa

QUESTION 11 Which of the following formula/name pairs are incorrect? More than one may be incorrect. Mark all that are incorect. AN204 dinitrogen tetroxide B. FeCl3 0C. BeO iron trichloride beryllium(II)oxide sulfuric acid cobalt(II) nitrate D.H₂SO4 E. Co(NO3)2 nuation below. Suppose 5.00 g of Li (s) i nur answer in 3 significa

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1mol Na 36.5 g Na - 1.59 mol Na +0.79 mol →2 Na 23 g Na 1 molS |= 0.79 mol S+ 0.79 mol → 1S 32 g S 25.4 g S NazSO3 1 mol O = 2.38 molO + 0.79 mol → 30 16 go 38.1gO DO THE GIVEN QUESTIONS LIKE THE ONE ABOVE Determine the molecular formula of a compound with an empirical formula of NH2 and a formula mass of 32.06 amu. The empirical formula of a hydrocarbon (compound that contains only C and H) is found to be CH. Laboratory procedures have found that the molar mass of the compound is 78 g/mol. What is the molecular formula of this compound?
A certain chemical substance has the following percent composition by mass. Element Mass Percent carbon 25.29% hydrogen 3.891% bromine 56.08% nitrogen 14.75% Determine the empirical formula for the compound.Enter your answer without subscripts. C12H21Cl3 should be entered as C12H21Cl3. Enter elements in the order C, H, followed by the remaining elements alphabetically. Single elements do not need to have a subscript. CH4 should be entered as CH4, not C1H4.Empirical Formula: Answer
From the given empirical formula and molar mass, find the molecular formula of each compound. Express your answer as a chemical formula. C6H7N, 279.39 g/mol C2HCl, 120.94 g/mol C5H10NS2, 444.83 g/mol
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cation + Na 2+ Mg 3+ Mn + Cu anion Clo BrO3 NO₂ SO² some ionic compounds empirical formula 0 0 0 0 name of compound 0 0 □ 0
QUESTION 30 Results from the elemental analysis of Compound Y indicate that this compound contains 19,2 % carbon, 4.0 % hydrogen and 64.0 % bromine. Determine the empirical formula of Compound Y. O C2H5Br C3H6Br2 O C2H5BRO O C3H6BrO2 O C2H5B12
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2. LOS 45, 46: Combustion analysis of 62.4 g of a compound made of carbon, hydrogen and oxygen produces 142 g of CO₂ and 58.1 g of water. The compound has a molar mass of 116 g/mol. What is the molecular formula for this compound? I a) C₂HO b) C₂H4O c) C+HBO₂ d) C₂H₂O e) C6H12O₂
10. Which of the following is incorrectly named? a) Pb(NO3)2, 1lead(II) nitrate b) NH4C1O4, ammonium perchlorate c) PO43-, phosphate ion d) Mg(OH)2, magnesium hydroxide e) NO3-, nitrite ion
1. An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of the compound by mass is composed of tellurium. The chemical formula of the compound is TeBr₄. What is the IUPAC name of the unknown compound? 2. How many atoms of zirconium are in 0.3521 mol of ZrSiO₄? 3. Determine the number of atoms of H in 37.7 grams of C₆H₁₂O₆. 4. Determine the number of atoms of O in 7.23 moles of Fe(NO₃)₃. 5. How many moles of calcium atoms do you have if you have 5.39 × 10²¹ atoms of calcium. (The mass of one mole of calcium is 40.08 g.) 6. Calculate the mass, in grams, of 502 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g). 7. Determine the number of atoms in 45.0 grams of nickel, Ni. (The mass of one mole of nickel is 58.69 g.) 8. Determine the number of atoms in 15.0 grams of bromine, Br. (The mass of one mole of bromine is 79.90 g.)