Organic Chemistry Questions

a HCO HC 3 3 Draw resonance structures for the following 15 points b CH CH einiog 01 elons gmot rons tool Cwmd I CH3 X CM3 1

SO3 aq MnO aq SO aq Mn aq EN HEND PE EINE C ENWARTE THERINE

Question 3 The diagram below represents the bright line spectra of four elements and a bright line spectrum produced by an unidentified element 1 02 Element L Element M What is the unidentified element 1 L 2 M 3 Element X Element Z Unidentified Element 500 Bright Line Spectra 600 500 600 Wavelength nm 3 X 4 Z 700 700

How much of a 12 0 M HCl solution do you need in order to make 200 mL of a 2 4 M HCI solution How nuch water must be added to make the solution ml 12 0 M HCI

Given the potential energy diagram representing a reaction Potential Energy 1 1 2 2 01 2 2 I Which numbered interval represents the heat of reaction 3 4 Reaction Coordinate 3 3 4 4

Potassium chlorate KCIO3 decomposes when heated to produce potassium chloride and oxygen gas 513 14g of potassium chlorate is decomposed If the temperature of the room is 25 C and the pressure is 1 2atm what volume of oxygen gas is formed

A person reacts 85 31g of oxygen gas O with excess aluminum metal according to the reaction below What mass in grams of aluminum oxide Al2O3 will form Reaction 4Al s 302 g 2Al O3 s

A person reacts 83 27g of oxygen gas O with excess aluminum metal according to the reaction below What mass in grams of aluminum oxide Al2O3 will form Reaction 4Al s 302 g 2Al2O3 s

A person reacts 9 89mol of nitrogen gas with 7 92mol of hydrogen gas What volume of ammonia NH3 is likely to form if the temperature of the reaction is 26 81 C and the pressure in the room is 2 06atm Reaction N2 g 3H2 g 2NH3 g You will be asked to upload a photo of your work for this problem

A person reacts 10 74mol of carbon with 21 53mol of hydrogen gas How much energy is released during the reaction Use a negative number if energy is released and a positive number if energy is added 4C s 5H g C4H10 g AH 125 6 kJ mol

If 53 88mol of aluminum metal is reacted according to the reaction below and 9 73mol of aluminum oxide is recovered by the scientist what is the percent yield of the reaction Reaction 4Al s 302 g 2Al2O3 s

Select the product of the oxidation of CH3CH CH CH3 C O H O a aldehyde O b ester O c carboxylic acid O d Ketone

If a scientist has 15 72mol of aluminum oxide Al2O3 What mass of aluminum oxide in grams do they have

A sample of oxygen gas is at 7 88atm of pressure has a volume of 13 39L and is at a temperature of 44 62 C How many particles in moles of oxygen gas are in the sample

Select the structure corresponding methoxyethane O a O b OH CH CH CHCH CH CH CH 1 O C CH CH3 CH3 O Od CH CH CH C 4

If a scientist has 562 79g of aluminum oxide Al2O3 How many particles in moles do they have

How many hydrogen atoms are present in the following compound a 10 O b 9 Oc 11 d 12 OH

How many carbon atoms are present in the following compound CI O a 6 O b 8 O c 7 O d 5

Select the structure corresponding methoxyethane O a O b O C OH 1 CH CH CHCH CH CH CH CH CH3 0 O d CH CH CH3 1 O CH C O H

Identify the amide O a O b H C O c C HO H3C O d H3C H H C CH3 H N CH3 H N CH3 FO CH3

How many hydrogen atoms are present in the followinly compound O a 18 O b 16 O c 14 O d 12

Identify the alcohol O a C H Br O b C H5OH O c C H6O C O d C H8 PATU DUG

Name the part marked as number 3 NH 0 3 1 2 OH NH 4 a R group O b amine group O c a carbon O d carboxylic acid group

19 26 On the diagram shown below indicate with dotted lines the bonding between the enzyme a dipeptidase several amino acid residues in black and the substrate in blue that might occur to form the enzyme substrate complex What are the two types of bonding likely to occur O C H O H H H N C C R HH O H N N C C R 11

A person reacts 241 45g of oxygen gas O with 159 82g of aluminum metal according to the reaction below What mass in grams of aluminum oxide Al2O3 will form Reaction 4Al s 302 g 2Al2O3 s

A person collects 11 52g of aluminum oxide in the lab after completing the reaction below If they calculated based on their reactants that they should have gotten 17 39g of aluminum oxide what is their percent yield Reaction 4Al s 302 g 2Al2O3 s

Identify the following compound CH3 H C O a carboxylic acid O b amine Oc amide O d aldehyde

Predict the product of following reaction CH3COOH CH3CH CH CH NH O a ketone O b aldehyde O c amine d amide

entify the ester O a CH3CH CH CH COCH3 O b CH3CH CH CH COOCH3 O c CH CH CH CH COOH O d CH3CH CH CH CHO

Identify the constituents of this nucleotide NH HO 1 0 11 HO P O OH N OH O a adenine ribose phosphate group O b guanine ribose phosphate group O c adenine deoxyribose phosphate group hosphate groun

Select the structure corresponding to the following name tertbutylisopropyl ether O a tox O b CH CH Oc CH C CH CH3 CH O O H OH CH CH CHCH CH CH CH

Which of the following reactions can be catalyzed by a decarboxylase a OH OH G b HO CH CH C 0 NH3 i H3NCH CH CH HO CH CH NH3 H C CH CH C O

Name the following compound O a 1 pentyne O b 1 pentane O c 1 pentene O d 1 pentanol

How would you produce 2 ethylbutamoic acid

If the concentration of so ions when equal volumes of 0 1 M MgSO4 and 0 1 M KNO3 are mixed together is Assume all electrolytes are completely ionizable in the solution x Then the value of 100 x will be Answer 00 01 02 03 04 05 06 07 08 09 00 01 02 03 04 05 06 07

11 Draw products of reaction of butanoic propanoic anhydride with ethanamine

OL DIBAL H H O 2 name product HO H

Using any necessary reagents and using a Named reaction show how you would produce 2 ethylbutanoic acid

name thei product of this reaction o C 0 Nao Et O 0

A metal alloy is made up of elements M and N The mass of a sample of the metal is 114 5 g Metal M is present in the sample with a mass of 42 5 g What is the percent m m concentration of metal N in the alloy

namme product of with LDA 3 3 dimethy butan 2 on CH CH CH Br and

the final product 10 What Is 2 3 dimethyl pentam 1 01 w Nay Cr 07 1 50 4 methanol CH3OH in acid name product

2 3 The fossils of swamp plants and animals have been found in desert rocks What is the best explanation for this A B C D Which term is used to describe all disease causing microorganisms bacteria A The climate in the area was once very different The animals migrated from a swamp into the desert The desert changed into a swamp due to continental drift The plants and animals died out after a drought B pathogens C parasites viruses UD spreads widley Measles is a disease caused by a virus Which is the most effective way to keep measles from spreading A B C D giving antiviral medicines to people who have measles having healthy people wash their hands often giving antibiotics to people who have measles vaccinating healthy people against measles

Answer the following question using the vocabulary will or will not Molecule A 1 form a hydrogen bond with molecule C and molecule D 2 form a hydrogen bond with itself H N 1 2 A 1 2 26 Answer the following question using the vocabulary will or will not Molecule A 1 form a hydrogen bond with molecule C and molecule D 2 form a hydrogen bond with molecule B H H b A B B C 27 Answer the following question using the vocabulary will or will not Molecule A 1 form a hydrogen bond with molecule B and molecule D 2 form a hydrogen bond with molecule C B D C D

22 What is the approximate value of the bond angle between atoms 11 10 9 11 O 5 Di 4 6 23 What is the approximate value of the bond angle between atoms 1 2 3 2 HN 2 5 11 24 What is the approximate value of the bond angle between atoms 2 1 5 3 NH 11 10 9 HN 4 6 10 7 9 8

1 Select one Nuclear Change 1 Question 2 One kilogram of uranium can produce as much energy as 16 000 kilograms of coal Why is the energy output for uranium so much greater than the energy output for coal Uranium undergoes fission and nuclear reactions give off more energy than chemical reactions O Uranium is more highly purified than coal O Uranium is extremely radioactive and gives off higher electromagnetic radiation than burning coal Uranium is a highly reactive metal that reacts violently with oxygen during combustion

Which of the following correctly balances this nuclear fission reaction In 235U 331 3 n 92 A 04Y 39 B C D 105 36 Kr 102Y 102 3Kr 36

Select one Dg 81 Nuclear Change 1 Question 7 Huge amount of energy is being produced in the core of a hot star due to 81 O O O O Gravitational pressure Radioactive decay Fusion reactions Fission reactions

Dg Nuclear Change 1 Question 5 3 The missing product from this reaction is Select one O A O 1 O A O D 121 121 I 53 52 wp O C E B Te B Y 9 He C D n E e

nuclear fission reaction in 235U 331 3 n 92 Select one A 104Y 394 B C D OB OD OA 105 36 Kr 192Y 102y 39 102 Kr 364