Inorganic Chemistry Questions

AT bond arises from sideways overlap of two parallel p orbital nding electron density lies above and below a plane containing the 2 nu perpendicular to the orbitals bital 1 atom2 p orbital bond atom has sp idization in a molecule The maximum number of a bonds that the atom can form is The maximum number of p p bonds that the atom can form is

1 How many spots should be seen for each of the aspartic acid and phenylalanine columns on the chromatogram Why

8 Does the reaction stop when a system reaches equilibrium

3 List the advantages and disadvantages with the use of aspartame

The geothermal vents mentioned in the introduction are formed on the ocean floor through a double replacement reaction Based off of what you witnessed in this lab what metals would you expect to make the mineral deposits if the anions from the lab are present

3 Why should a positive reaction be observed when KMnO4 is added to the hydrolyzed aspartame solution

A sample of gas is held in a 7 18 L container at 316 K and 20 8 atm How many moles of gas are present a 2 26 moles b 30 6 moles c 5 76 moles d 0 0996 moles

4 Why does the developing chamber in the chromatography procedure need to be kept covered

3 What is meant by enzyme specificity Give some examples 4 Which group of organic compounds includes the enzymes

Problem 1 Circle and name the following parts of 1 Fill the complementary DNA strand using DNA complementary base pairing rules 2 Fill the correct mRNA bases by transcribing bottom of DNA code 3 Translate mRNA codons and find the correct amino acid using the Codon Table 4 Write the amino acid and the correct anticodon the tRNA molecule 0 00 00 100 Y DNA mRNA tRNA Amino Acids

O b CH3C OCH CH H O O CH C OH CH CH OH

10 Board How many grams of oxygen gas 16 g mole would be present in a cylinder with a radius of 50dm a height of 15m stored at 125C and 2 5 atm pressure 1 Point 108 496 grams of oxygen 135 632 grams of oxygen O 542 544 grams of oxygen

1 Show the hydrolysis of aspartame using structural formulas a Name the products that are formed b In reference to the products of the reaction which one s can readily undergo oxidation c What is the product s of the oxidation s

5 What would you expect a 6 month old can of aspartame sweetened soda pop to taste like

9 What is the bond order of Cl A 0 B 0 5 C 1 D 1 5 52

HO III H C C CH O Phos OH OH H C CH CH O Phos O

Use the bond energy chart to determine the AH of this reaction C3H8 g 5 O g 3 CO g 4H O g 1 1 a 2010 kJ mol b 2010 kJ mol c 778 kJ mol d 778 kJ mol e 449 kJ mol HO H 60F 005 you ornect to have the strongest lattice energy

8 What is the hybridization of the As atom in the ASF molecule A sp B sp C sp D sp d F 3 12

8 Define the following terms a Enzyme b Coenzyme c Cofactor d Allosteric effects e Reversible and irreversible inhibitors

For the below reaction calculate the alkalinity produced in mg L CaCO if the influent methanol CH OH concentration is 4 mM Ca 40 C 12 H 1 0 16 N 14 SCH OH 6NO 3N SCO 7H 0 60H

2 How was TLC utilized in the aspartame experiment In other words what type of information could be revealed by this technique in the experiment

5 An enzyme that hydrolyzes proteins will not act upon starch What does this fact imply abou enzymes

7 What 4 factors can affect the enzyme activity Draw the 4 respective graphs with enzyme catalytic activity rates on the Y axis and each of the 4 factors on the X axis b d

6 What is the difference between the lock and key and induced fit models

d Sublimation 22 How much energy would it take to boil 312 grams of diethyl ether C4H 0O AHap 26 5 kJ mol a 112 kJ b 74 7 kJ C 226 kJ d 90 3 kJ 02AH

3 A rigid container holds 0 341 atm of O and 8 265 atm of N What is the total pressure a 8 606 atm b 7 924 atm c 2 818 atm d 24 24 atm

d 90 3 kJ 23 How much energy would it take to melt 5 16 grams of diethyl ether C H O AH 7 27 kJ mol a 0 881 kJ

C H4 g 30 g 2CO g 2H O s According to the reaction 6 72 L of C H4 gas is burned per minute under normal conditions What is the rate of formation of CO gas in mol s A 0 06 B 0 05 C 0 03 D 0 02 E 0 01

1 Enzymes are divided into 6 main classes What are those classes And what are their functions a b d GAR 201 200 square son HO HO D O PW

5a Match the correct substrate and inhibitor s with each of the enzymes b For each inhibitor state if it is competitive or noncompetitive Enzymes Substrates Inhibitors 1 1 n R 2 2

12 Write a complete balanced chemical equation including states of matter for the reaction that occurs when a solid sample of zinc is placed in a solution of iron III nitrate Label the charge of each atom ion in your equation then identify the substance that is oxidized the substance that is reduced the number of electrons lost gained by each substance and apply the coefficients of the chemical equation to show the overall conservation of charge during the reaction

below A E G Active Site Enzyme Substrate Enzyme substrate complex b Each figure illustrates a model of enzyme action Which model corresponds to which figure c Describe the differences between the two models C B Figure 1 oambyrine dres D H foolA

Equation 1 Equation 2 E I E I EI EI 4 2 4 4

1 pts 2req Sigma Bond 1 pts 2req grama ength grams trength 1 pts 2req 1 pts req 1 pts 2req 1 pts 2req 1 pts 2req 1 pts 2req A B Bond Length B B Bond Strength E 2p Use this template to help answer the question C B Longest Next Shortest 2s is Strongest Next Weakest 0 20 020 n2p 0 15 015 2s 1s 2p

Rank the following diatomic species of boron in order of bond length and bond streng A B2 B B C B Bond Length Bond Strength E Use this template to help answer the question 2p Longest Next Shortest 2s Strongest Next Weakest 0 20 n 2p 020 1 p 0 25 2s 2p

Review Topics References Use the molecular orbital energy diagram below to answer the questions about bond order for the positive ion Number of Bonding Number of Antibonding Ne Valence Electrons Valence Electrons This corresponds to A Single bond B Double bond C Triple bond D Half of a bond E neonA 2p 2s E Between a single and double bond F Between a double and a triple bond G No bond Ne does not form MO s 0 2p n 2p p 020 OF 25 neonB Bond Order 2s 2p

Rank the following diatomic species of fluorine in order of bond length and bond s A F2 B F C F Bond Length Bond Strength E Use this template to help answer the question 2p Longest Next Shortest 2s Strongest Next Weakest 0 2p n 2p 12p 020 0 25 025 2s 2p

Sigma Bonding sp hybrid orbital A a bond arises from the straight on overlap of two atomic orbitals The electron den llies along the axis of the two bonded nuclei 1s orbital Example Sigma Bonding in methane CH4 hat atomic or hybrid orbital on the central Sb atom makes up the sigma bond between this Sb and an oute com in antimony III fluoride SbF3 orbital on Sb What is the approximate F Sb F bond angle

Number of Bonding Number of Antibonding N2 Valence Electrons Valence Electrons This corresponds to A Single bond B Double bond C Triple bond D Half of a bond E nitrogen A 2p 2s E Between a single and double bond F Between a double and a triple bond G No bond N does not form MO s n 2p 02p 1 p 0 25 Bond Order nitrogen 2s 2p dions about bona ora for the mole

Bonding A bond arises from sideways overlap of two parallel p orbitals The electron density lies above below a plane containing the 2 nuclei that is perpendicular to the orbitals 8 8 p orbital p orbital atom atom2 bond If an atom has sp3 hybridization in a molecule The maximum number of a bonds that the atom can form is The maximum number of p p bonds that the atom can form is

11 A volume of 50 0 mL of argon Ar is collected at 60 0 C and 820 0 torr How much does this sample weigh

2 A sample of methane gas CH4 occupies 3 50 L at a temperature of 20 0 C If the pressure is held constant what will be the volume of the gas at 100 C

Which of the following represents an acceptable set of quantum numbers for an electron in an atom arranged as n I mi ms O 2 1 0 1 2 O 0 0 0 1 2 O 2 1 2 0 O 3 2 1 1 2 33 3 1 1 2

Bonding 8 8 below a plane containing the 2 nuclei that is perpendicular to the orbitals D orbital p orbital atom atom2 bond ne electron density lies above If an atom has sp hybridization in a molecule The maximum number of o bonds that the atom can form is The maximum number of p p x bonds that the atom can form is

Use the molecular orbital energy diagram below to answer the questions about bond order for the positive ion Number of Bonding Number of Antibonding B Valence Electrons Valence Electrons This corresponds to A Single bond B Double bond C Triple bond D Half of a bond 1 E boronA 2p 2s E Between a single and double bond F Between a double and a triple bond G No bond B does not form MO S 0 2p 2p 02p p 0 2s Bond Order borong 2p 2s

5 The pressure of molecular hydrogen gas in a constant volume cylinder is 2 25 atm a C What will the pressure be if the temperature is raised to 80 0 C

Fill in the Molecular Orbital Energy Diagram for the diatomic molecu E neonA 2p 2s MO S 18 2p n 2p 02p Ble Die neong 2s 2p

What is the pH of H of 6 89 x 10 14 M O 9 65 13 2 5 42 1 23 log

E neonA 2p 2s r MO S neon B 2s 2p

Show calcu 1 A sample of molecular nitrogen gas N occupies 3 0 L at a pressure of 3 0 atm What volume will it occupy when the pressure is reduced to 1 0 atm and the temperature remains constant