13 According to the following balanced chemical equation, if you want to generate two moles of H20 how many grams of O2 do you need? 2 H2 + O2 → 2 H2O 1. A) 8 2. B) 16 3. C) 32 4.D) 4 15. Which equations are balanced? 1. a) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (9) 2. b) 3A1 () + 3 02 (1) ► 2Al2O3 (5) 3. c) 2Hgo (s) → 2 Hg (1)...
20. Briefly explain why this reaction is classified as double replacement: KBr+ AgNO3 KNO3+ AgBr Question 24 2N,+3H, 2NH, Nitrogen Hydregen Ammonia For the following equilibrium reaction, answer the following questions, fill-in: Choose: A) products are favored (forward reaction) B) reactants are favored (reverse reaction) Which side of the reaction is favored when: a) concentration of hydrogen is decreased b) concentration of ammonia in increased c) concentration of nitrogen is increased d) concentration of ammonia is decreased Question 25 но...
OH r. Он reagent(s) Br OEt S. reagent(s) Br Он K2Cr2O7 (excess) H2SO4, H20 Он но 1. PhLi, Et O 2. HCI, H2O 3. SOCI2, EtN 4. NaOAc u. н 1. Mg (1 eq), Et2O V. Br 2. (1 eq) -сно 3. HCI, Н,О W. 1. NaBH,, MeOН, 0° С 2. PBra THF 3. LIAID4, THF 4. HCI, H20
Stereoisomer naming: н Br o Br Ho H Bro Br но Хон Х ОН он он н Br Br' H Br' н. н Br stereoisomer 1 stereoisomer 2 stereoisomer 3 stereoisomer 4 In-lab Discussion Questions 1. These four stereoisomers constitute 2 pairs of enantiomers, or mirror images. Using the R, S labeling system (see box below for review), name each of the diastereomers. The basic name is 2,3-dibromo-3-phenylpropanoic acid. 2. Which pairs of compounds are enantiomers? 3. Which pairs of...
о, DMS RCO H Он но н'но) Он SOCI РСС ОН н'-но) SH Raney Ni HS н'*но) н' Но CH, Oн NH2 1) LAH ОН 2) H,O Shem 415 Question 1 (6 points). Provide IUPAC names for the following structures. Question 2 (14 points), Convert the following IUPAC names into structures. 2,4-dimethylcyclopent-2-enone 5-hydroxy-2-phenyl-3-hexanone (S)-2-bromo-2-methylcyclobutanone 3-methyl-5-(4-chlorophenyl) hexanal 3-isobutylbenzoic acid Acetic butanoic anhydride N-phenyl-N-propyl-2,3-dimethylbutanamide Page 2 o
Predict the major product of the following reaction. Н,0 H2SO4 НО. Л ОН ОН ОН ІІ IV О1) 1 2) II 3) ||| 4) N
РС H2SO4, H20 1. SOC2, EtgN ОН 2. NaOAc I I יא HBr но 0 °C "CHз H2SO4 heat ОН
QUESTION 1 Balance the equation: Al203 02 Al QUESTION 2 Balance the equation Hа0 CO2 O2 -> C2H6 QUESTION 3 Balance the equation: Caso4 Al(OH)3 Caа(ОН)2 Al2(S04)3 + QUESTION 4 Which chemical equation is properly balanced? 2 SO2 O2 2 H30 -2 H2SO4 so2+O2+ H20> H2$O4 So2+O2+4 H202 H2SO4 4 SO O24 H20-4 H2SO4 answers
For 28, please explain the same stereoisomers ONLY USING R/S но он он он 0 он но (A) H он но CH3 Cl-H 28. Which molecule is the same stereoisomer as the one in this Fischer projection? Ci30. How stere cen this CH3 (B) H CH3 Cl C-C CH3 H Cl CH3 (C) CH3 (D) CH3 Cl Cl CH3 Cl CH3 Answers to Study Questions 1..B 2. A 5. C
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a) 2 H2(g) + O2(g) → 2 H20(1) b) 2NH3(g) + H2SO4(90) → (NH4)2SO4(94) Decomposition Reactions a) 2H2O2(0) → 2 H2O(l) + O2(g) b) "Balanced" CaCO3(s) → "Balanced" CaQ/s) + "Balanced" CO2(g) Single Displacement Reactions a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) b) 2Nas) + 2H2O(1) ► 2NaOH(aq) + H2(g double Displacement Reactions a) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) “Balanced" b) H2SO4(aq)...