Explain per each of the following molecules why it should or should not show a pure...
Explain per each of the following molecules why it should or should not show a pure rotational microwave absorption spectrum: (a) H2, (b) HCl, (c) CH4, (d) CH3Cl, (e) CH2Cl2, (f) H2O, (g) H2O2, (h) NH3
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Explain per each of the following molecules why it should or
should not show a pure...
Question 2.3 Consider the following molecules: HCI H2 CHA CO2 For each of the following questions...
Question 2.3 Consider the following molecules: HCI H2 CHA CO2 For each of the following questions state the gross selection rule and for the vibrational spectroscopy, indicate which vibrational modes would be active. a. Which would give an infrared spectrum? b. A pure rotational microwave spectrum? C. A rotational Raman spectrum? d. A vibrational Raman spectrum?
Predict the largest intermolecular force between the two molecules (or atoms) in each of the following...
Predict the largest intermolecular force between the two
molecules (or atoms) in each of the following cases:(Choose
between: Ion-Dipole, Dipole-Dipole, H Bond, Ion-Induced Dipole,
Dipole-Induced Dipole, or Dispersion Forces)
a) (CH3)2CO -
(CH3)2CO (two molecules of acetone)
b)
H2 - Ne
c) H2O - H2
d) H2O - (CH3)2CO
e) HF - CH4
f) HF - (CH3)2CO
g) O2 - CH4
h) CH3OH - CH3CH2OH
Select the best reagents for each of the following transformations. You should only use each set...
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. H2(g), Pd/C 1 eq. HBr 2 eq. HBr H2SO4, HgSO4, H2O 1) 9-BBN 2) H2O2, NaOH(aq) H Naº, NH3(1), -78 °C 1 eq. Br2, CH2Cl2...
Which of the following molecules is nonpolar? a. H2 b. HF c. HCl d. HI e....
Which of the following molecules is nonpolar? a. H2 b. HF c. HCl d. HI e. HBr Which of the following molecules can participate in Hydrogen bonding? a. HF b. CO2 c. CH4 d. H2S Which of the following molecules is polar? a. H2O b. CO2 c. CH4 d. N2 e. None of the above In lab, temperature changes caused by ________________ of liquids will be related to the strength of intermolecular forces. a. Evaporation b. Mass c. Density d....
(30 pt) Draw the structures of the MAJOR products for the following reactions. Be sure to...
(30 pt) Draw the structures of the MAJOR products for the
following reactions. Be sure to clearly show the REGIO- and
STEREOCHEMISTRY of each product.
H2SO4 X - H2O BH3 H2O2 THF H20, OH Br2 CH2OH excess HBO d) CH3-C=C-CH3 1 eq Cl2 e) CH3 -C=C-CH3 CH2Cl2 Na CH3CO2H 9) CH.-C=C-H, under CH3COH f) CH3-CEC-CH3 liquid NH3 -78 °C H202 g) CH3CH2-CEC-H R2BH THE H2O, OH NaNH2 CH3CH2Br H2SO4 h) CH3CH2-CEC-H my Chcn=c20-n, Nanets, Cheka na H2O HgSO4 heat 1...
For each of the following pairs, choose the substance with thehigher entropy per mole at a given temperature: (a) Ar(...
For each of the following pairs, choose the substance with thehigher entropy per mole at a given temperature: (a) Ar(l) orAr(g) (b) He (g) at 3 atm pressure or He(g) at 4.5 atm pressure (c) 1 mol of H2O(g) in 15.0 L or 1 mol of H2O(g) in 1.50L. (d) 1 mol of O2(g) and 1 mol ofN2(g). (e) 1 mol CH4 (g) and 1 mol C3H8 (g) (f) Why 1 mol of HCl(g) has more entropy than 1 mol...
13. (12 pts-4 pts each) Show how you could carry out th how you could carry...
13. (12 pts-4 pts each) Show how you could carry out th how you could carry out the following synthesis reactions by placing the letters corresponding to the appropriate reagents above each ar must be in the correct order to receive full credit. priate reagents above each arrow. The reagents A. HBr, ether B. Br2, CH2Cl2 C. Br2, H2O D. 1. Hg(OAC)2, H2O/THF 2. NaBH4 E. 1. BH3, THF 2. H2O2, OH F. H2SO4, H2O/HgSO4 G. NBS, hy H. H/Pd/C...
Which of the following molecules can form hydrogen bonds? Select all that apply. A. NH3 B....
Which of the following molecules can form hydrogen bonds? Select all that apply. A. NH3 B. NaH C. DNA (this is a large polar molecule with the lots of oxygen and nitrogen atoms) D. H2O E. CH4 F. HI G. BH3 H. benzene (C6H6) Note: According to the Fisher Scientific MSDS, the solubility of benzene in water is very low so it is effectively insoluble. Solubility: 0.180 g/100 ml @ 25°C https://fscimage.fishersci.com/msds/02610.htm
Helerences Reagents Available a. H20, H2SO4. HgSO4 f. H2, Lindlar catalyst b. BH3 then H2O2 g....
Helerences Reagents Available a. H20, H2SO4. HgSO4 f. H2, Lindlar catalyst b. BH3 then H2O2 g. Li, NH3 (lia) c. NaNH2 h. CH2lz, Zn(Cu) d. CH3CH2Br i. H2, Pd/C e. HCl, ether j. Br2, CH2Cl2 Select reagents from the above table to carry out each of the following reactions If only a single step is required, select (none) from the drop down list CH2CH2CH2C=CCH3 C H2CH2CH2CH2CH2CH3 Reaction 1 Step 1: Step 2: CH3CH2CH2C=CH CHCH2CH2CH3 Reaction 2 Step 1: Step 2:...
Question 13 24 pts Match each reaction with its reagents. HO CI N + enantiomer A.)...
Question 13 24 pts Match each reaction with its reagents. HO CI N + enantiomer A.) PBr3 B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H2O M.)1. Hg(OAC)2 2. NaBH4 0.) N.) 1. mCPBA 2. H+, H2O P.) 1. BH3 2. H2O2, NaOH
Question 2.3 Consider the following molecules: HCI H2 CHA CO2 For each of the following questions state the gross selection rule and for the vibrational spectroscopy, indicate which vibrational modes would be active. a. Which would give an infrared spectrum? b. A pure rotational microwave spectrum? C. A rotational Raman spectrum? d. A vibrational Raman spectrum?
Predict the largest intermolecular force between the two
molecules (or atoms) in each of the following cases:(Choose
between: Ion-Dipole, Dipole-Dipole, H Bond, Ion-Induced Dipole,
Dipole-Induced Dipole, or Dispersion Forces)
a) (CH3)2CO -
(CH3)2CO (two molecules of acetone)
b)
H2 - Ne
c) H2O - H2
d) H2O - (CH3)2CO
e) HF - CH4
f) HF - (CH3)2CO
g) O2 - CH4
h) CH3OH - CH3CH2OH
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. H2(g), Pd/C 1 eq. HBr 2 eq. HBr H2SO4, HgSO4, H2O 1) 9-BBN 2) H2O2, NaOH(aq) H Naº, NH3(1), -78 °C 1 eq. Br2, CH2Cl2...
(30 pt) Draw the structures of the MAJOR products for the
following reactions. Be sure to clearly show the REGIO- and
STEREOCHEMISTRY of each product.
H2SO4 X - H2O BH3 H2O2 THF H20, OH Br2 CH2OH excess HBO d) CH3-C=C-CH3 1 eq Cl2 e) CH3 -C=C-CH3 CH2Cl2 Na CH3CO2H 9) CH.-C=C-H, under CH3COH f) CH3-CEC-CH3 liquid NH3 -78 °C H202 g) CH3CH2-CEC-H R2BH THE H2O, OH NaNH2 CH3CH2Br H2SO4 h) CH3CH2-CEC-H my Chcn=c20-n, Nanets, Cheka na H2O HgSO4 heat 1...
13. (12 pts-4 pts each) Show how you could carry out th how you could carry out the following synthesis reactions by placing the letters corresponding to the appropriate reagents above each ar must be in the correct order to receive full credit. priate reagents above each arrow. The reagents A. HBr, ether B. Br2, CH2Cl2 C. Br2, H2O D. 1. Hg(OAC)2, H2O/THF 2. NaBH4 E. 1. BH3, THF 2. H2O2, OH F. H2SO4, H2O/HgSO4 G. NBS, hy H. H/Pd/C...
Helerences Reagents Available a. H20, H2SO4. HgSO4 f. H2, Lindlar catalyst b. BH3 then H2O2 g. Li, NH3 (lia) c. NaNH2 h. CH2lz, Zn(Cu) d. CH3CH2Br i. H2, Pd/C e. HCl, ether j. Br2, CH2Cl2 Select reagents from the above table to carry out each of the following reactions If only a single step is required, select (none) from the drop down list CH2CH2CH2C=CCH3 C H2CH2CH2CH2CH2CH3 Reaction 1 Step 1: Step 2: CH3CH2CH2C=CH CHCH2CH2CH3 Reaction 2 Step 1: Step 2:...
Question 13 24 pts Match each reaction with its reagents. HO CI N + enantiomer A.) PBr3 B.) NBS, hv C.) D.) NaOH E.) NaNH2 F.) Br2 G.) HCI H.) Cl2, H2O 1.) HBO J.) H2 (1 eq), Pt K.) Na, NH3 L.) H2SO4, H2O M.)1. Hg(OAC)2 2. NaBH4 0.) N.) 1. mCPBA 2. H+, H2O P.) 1. BH3 2. H2O2, NaOH
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