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8. A 2.00 g sample of FeF2 x H2O is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 0.789 g. What is the value of x? a) 1 b) 3 c) 6 d) 8 e) 12

8. A 2.00 g sample of FeF2 x H2O is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 0.789 g. What is the value of x? a) 1 b) 3 c) 6 d) 8 e) 12

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter4: Molecular Structure And Orbitals
Section: Chapter Questions
Problem 5RQ: What hybridization is required for central atoms that have a tetrahedral arrangement of electron...
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4. Which of the following has the smallest a) (o? c) F d) 5. What is the hybridization of the sulfur atom in SF4? a) sp? b) sp c) sp'd d) sp'd? 6. Calculate the density of Br3e (MW 159.80 g/mole) at 59°C and 1.00 atm a) 27.2 g/L c)3.45 g/L d) s86 g/L What is the binding energy (in J/mol or KJ/mol) of an electron in a metal whose threshold frequency for photoelectrons is 2.50 × 1014 sec? 7. a) 99.8 kJ/mol b) 1.66 x 1019 J/mol c) 2.75 x 10-43 J/mol d) 1.20 x 10-6 J/mol 8. A 2.00 g sample of FeF2 · x H2O is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 0.789 g. What is the value of x? Jon a) 1 b) 3 c) 6 d) 8 e) 12 9. What is the name of this salt, NaBrO2? a) Sodium bromate b) Sodium bromite c) Sodium hypobromite d) Sodium perbromate e2 levismi smse orls iv 29l62 ouleT 10. Which of these salts has low solubility in water? I bns nivie () 1 290ir d) Ba(ОН)2 ulzlo a) Fe(OH)2 b) Ca(OH)2 c) КОН e) NH4OH Stoichiometry lorg 0 Ca (o lorma 2.16 (d 1. Nitrogen and oxygen form an extensive series of oxides with the general formula N,Oy. C blue solid, contains 36.84% N. What is the empirical formula of this oxide?
Transcribed Image Text:4. Which of the following has the smallest a) (o? c) F d) 5. What is the hybridization of the sulfur atom in SF4? a) sp? b) sp c) sp'd d) sp'd? 6. Calculate the density of Br3e (MW 159.80 g/mole) at 59°C and 1.00 atm a) 27.2 g/L c)3.45 g/L d) s86 g/L What is the binding energy (in J/mol or KJ/mol) of an electron in a metal whose threshold frequency for photoelectrons is 2.50 × 1014 sec? 7. a) 99.8 kJ/mol b) 1.66 x 1019 J/mol c) 2.75 x 10-43 J/mol d) 1.20 x 10-6 J/mol 8. A 2.00 g sample of FeF2 · x H2O is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 0.789 g. What is the value of x? Jon a) 1 b) 3 c) 6 d) 8 e) 12 9. What is the name of this salt, NaBrO2? a) Sodium bromate b) Sodium bromite c) Sodium hypobromite d) Sodium perbromate e2 levismi smse orls iv 29l62 ouleT 10. Which of these salts has low solubility in water? I bns nivie () 1 290ir d) Ba(ОН)2 ulzlo a) Fe(OH)2 b) Ca(OH)2 c) КОН e) NH4OH Stoichiometry lorg 0 Ca (o lorma 2.16 (d 1. Nitrogen and oxygen form an extensive series of oxides with the general formula N,Oy. C blue solid, contains 36.84% N. What is the empirical formula of this oxide?
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