11. Indicate the order of stability CH н сн. Br CH сH, На н н. Br H H н н" Br н H н н н' Br н A В C D 12. Which of the following structures does NOT have tetrahedral geometry around any of its central central atoms. Use resonance to help explain A. В. с. D. = NH2 13. Is it theoretically possible to separate the pair of compounds below by distillation? Explain briefly CH CHs Br...
What is the product of this reaction? Br2 Н,0 +enantiomer o Br '+enantiomer ООН + enantiomer о он Br+enantiomer
• Bond Br-Br CEC C-C C-Br C-H Use the bond energies provided to estimate AHørxn for the reaction below. H-CEC-H 2 Br2() + C2H2(g) → C2H2Br4(1) AH®rxn = ? Bond Energy (kJ/mol) Break (+) Make (-) 193 2 Br-Br ICEC 837 ICEC 26-H 347 276 2C-H 4 Br-Br 414
What substance is most soluble in water? H-N-H. o=c=0 :Z-I : Br— Br : H-C-H I-0-I Н H-C-H Н O CH4 O CO2 O Br2 O NH3
Which molecule has the shortest C-C bond? Select one: н Н а. C-C Н н Н н ob. н-с-с-Н н Н с. НЕСЕСЕН Not yet answered Marked out of 3.00 P Flag question Which one of the following compounds would have a specific rotation [a]p = 0 ? Br CH3 H -Br Н. -Br CH3 Br H CH3 -H Br CH3 H Br CH3 -Br -H CHE Br CH3 -Н -H CH,CHE a c d Select one: a. a b....
Br 3 ОН h) 3 i) Н н N н Но Li k) со D о Br 3 ОН h) 3 i) Н н N н Но Li k) со D о
A Reaction is given: ½Br2(l) --> Br(g) Ho = 112kJ/mol The bond enthalpy of Br-Br is 193 kJ/mol A. Formulate the vaporization process of 1 mol bromine Br2(l). B. Calculate the enthalpy of the vaporization process bromine. Show calculations C. Calculate the energy invested \ emitted by the evaporation of 3.2 gr of bromine. Show calculations. (Explain how you determined whether the energy is invested or emitted in this process). D.A Reaction is given: ½H2(g) + ½Br2(l) --> HBr(g) Ho...
Write the chemical formula for this molecule: н Br | | F-C-C H н Br x 5 ?
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...
What is the product of each reaction? Br. Br н OH, HSO, (cat.) но н CHNH, cat HA (1) HCN (2) LIAIH (3) H,0 н Bаза BrсH-CH-CH-CH-Oн HBr -15 °С Cl2 МеОн HBr (еxces) HCl Нзс-СH—СCH- Hас н NaOCH3 Ph Ph CHЗОН Br NaOCH3 Hас Hас CHОH