Inorganic Chemistry Questions

equation Select one 18 O NO Cl NOCI O O 2NaOH CaBr Ca OH NaBr 2A1C1 3Mg 3MgCl 2A1 O CaCO3 CaO 2CO BERJE LARAREA

1 Select one a combustion of methane CH4 02 CO H O Which series of numbers represents the coefficients necessary to balance the equation O 1 2 1 2 O 1 1 1 2 equation below shows the O 0 3 2 2 O 2 2 1 4

For each phase transition is the process endothermic or exothermic Condensation Select Deposition Select Evaporation Freezing Melting Select Select Select Sublimation Select Select exothermic

Vapor pressure is the point where evaporation and condensation reach equilibrium O True O False

6 14 0 mL of 0 53 M barium nitrate solution and 16 0 mL of 0 44 M sodium sulfate solution are mixed Which ion is LEAST abundant in solution A Ba B NO3 C Nat D SO4

Isopropanol C3H8O has a heat of vaporization of 45 4 kJ mol at 25 0 C How many joules of energy will be absorbed by 271 mL of isopropanol in order to evaporate at that temperature d 0 790 g mL

Which molecule has the highest boiling point O CO O C3H8 O C H6 O CH4

All molecules in a pure substance will have the same kinetic energy O True O False

Use the quantities below as necessary How many kJ of energy would be required to bring 3 50 kg of solic ice from 56 0 C to the gas phase at standard pressure Ice molar heat capacity 36 5 J mol K Ice heat of fusion 6 02 kJ mol Water molar heat capacity 75 3 J mol K Water heat of vaporization 40 7 kJ mol

Diethyl ether C4H10O has a heat of fusion of 7 27 kJ mol How many joules of energy will be released by 18 9 grams of diethyl ether freezing

Acetone C3H6O has a heat of fusion of 5 69 kJ mol How many kJ of energy will be absorbed by 319 grams of acetone melting

Water has a heat of vaporization of 44 0 kJ mol at 25 0 C How many kJ of energy will be absorbed by 3 81 grams of water as it evaporates at this temperature

Adding ions to water will increase the boiling point of the water O True O False

Which of these types of particles are capable of experiencing dispersion forces Nonpolar molecules Polar molecules Individual neutral atoms

Polar liquids and nonpolar liquids repel each other O True O False

A solid has a regular ordered structure This means that its interactions are uniform across the substance unlike solids

Molecules with unequal electron distribution can cause unequal elecron distribution in their neighbors O True O False

For each property choose which phase of matter fits the description for most substances Highest density Select Greatest molar volume Select Most compressible Select Strongest intermolecular forces Has a definite shape Select Select Easily changes shape but not density Select Select Expands to fill all available space Se gas solid

Match each phase transition with the prope Choose gas liquid gas liquid solid liquid liquid solid solid gas gas solid freezing reduction vaporization deposition oxidation fusion decomposition sublimation condensation combustion Choose

06 4 g of SO g 402 8 g of CaCO3 s and 110 3 g of O g react in the following fashio 2 SO g 2 CaCO3 s O g What mass in g of CaSO4 s can be produced 2 CaSO4 s 2 CO g

25 46 Are polynucleotides ictures to show how the omponents of a nucleic acid are joine ANIZATO synthesized 3 to 5 or 5 to 3 PAGES me gal at kind of Junte heterocyclic IMAGES The sugar

4 What is the concentration of nitrate ions in 40 0 mL of a 0 25 M solution of copper II nitrate A 0 010 M B 0 020 M C 0 050 M D 0 50 M

A fictional element has two isotopes and a molar mass of 82 51 g mol The first isotope has an tomic mass of 80 98 u and 25 18 of the element s atoms are this isotope What is the atomic nass in u of the second isotope

What is the function of K2CO3 in the formation of the sulfonamide NHCOCH3 Acetanilide Sulfathiazole NH CISO 3H HCI A CI O 4 acetamidobenzenesulphonylchloride NHCOCH3 N Synthesis of Sulfathiazole NH 2 aminothiazole NHCOCH3 p acetamidobenzenesulphonamide Intermediate

2 How many sulfur atoms are in 3 00 g of iron pyrite FeS2 M 120 0 A 7 53 1021 C 3 01 x 10 2 B 1 51 x 1022 D 6 02 x 1023

25 37 What is the difference between a gene and a chromosome 2539 What genetic information does a single gene contain 23840 How many comes are present in a human cell de ormekenler attraction holds the DNA JAZI double helix together

What amino acid sequence is coded for by the mRNA base sequence CUC AUU CCA UGC GAC GUA What anucodon sequences of URIN match the mRNA codons in Problem 25 20

5 44 If a double stranded DNA molecule is 22 G what is the percentage of A T and C Explain difference between the 3 end and the end

What mRNA base sequences are complementary to the following DNA template sequences Be sure to label the 5 and 3 ends of the complementary sequences a 5 CAT GCT CTA CAG 3 b 3 TAT TAG CGA CCG 5

25 36 How are replication transcription and translation simi lar How are they different 25 2 na ween gene and chromosom major components of matin

hat is the primary purpose of this document Who is the intended audience

Predict the number of signals expected their integration splitting in the H NMR spectrum of H3CO H3C C C H I H3C O 3 signals 3H triplet 2H quartet 3H singlet O2 signals 9H singlet 1H singlet O 3 signals 3H s 3H septet 6H d O 3 signals 3H singlet 2H doublet 6H septet O 3 signals 1H septet 3H s 6H d

Provide a structure that is consistent with the data molecular formula C6H10 1H NMR 2 0 ppm 1H septet 1 8 ppm 3H singlet 0 9 ppm 6H doublet A O A B C OD B H CC C CH CH3 C CH3CH2C CH D E

What are Okazaki fragments What role do they serve in DNA metabolism

23 88 Dietary guidelines suggest we limit our intake of but ter due to the cholesterol content and substitute oils or margarine The table below shows the major fatty acid distribution for a typical stick of margarine and also for butter Values are percentages Myrstic Palmitic Stearic Acid Acid Sample C14 0 C 18 0 Margarine 0 7 7 0 Butter 12 Acid C16 0 14 1 31 11 Oleic Acid C18 1 60 7 24 Linoleic Acid C18 2 17 0 3 a Which contains more monounsaturated fatty acids b Which contains more polyunsaturated fatty acids c Which is likely to contain fewer trans fatty acids Butter and Its Substitutes p 740

28 72 What is a major function of cholesterol in your body cids e hormone and a female sex hormone of the sex hormones named in EN TER

3 51 Draw the structures of all products you would obtain by saponification of the following lipid with aqueous KOH What are the names of the products i CH OC CH 16CH3 i HH TT CHOC CH C C CH CH3 H H H H H H 11 CHOCICH Y C CCH C SCH C CCH CH

Detergents and soaps have similar properties and functions Name one chemical similarity and one similar physical property What advantage is there to using a detergent for cleaning rather than soap

23 52 Draw the structure of the product you would obtain on complete hydrogenation of the triacylglycerol in Problem 23 51 What is its name Does it have a higher or lower melting temperature than the original triacylglycerol

3 104 The concentration of cholesterol in the blood serum of a normal adult is approximately 200 mg dL How many grams of cholesterol does a person with a blood volume of 5 75 L have circulating in his or her blood You may need to review Chapter 1

Describe the similarities and differences between a liposome and a micelle relt mer socanalinide are pro

1 15 points Write the structures of the monomers used for preparing the following polymers toche to 8 0H CH3 CH3 fs O 11 C H C C HNH C CH NH CICH CC13 SO NH CH2 NH O

The compositions of the inner and outer surfaces of the lipid bilayer are different Why do these differences exist and how might they be of use to a living cell

A What physical properties should you consider in comparing the strength of intermolecular forces in solids and in liquids How would you measure stregnth of these forces B Arrange the following in order of increasing boiling point Remember the stronger the intermolecular forces the higher the boiling point RbF CO2 CH3OH CH3Br methylamine CH2F2 Explain your reasoning Remember O N and F for H bonding

The solubility of BaCO3 is 4 01 x 10 5 mol L Calculate the solubility product Ksp Remember to use an exponent in the form 4 01x10 5

23 32 Differentiate between saturated monounsaturated and polyunsaturated fatty acids 235 SIMO PA asides COON z Turca RAI trans

Select one a a a O H Why are there 2 H O molecules and 2 Na atoms in the first beaker vo To show that each molecule in the drawing represents lots of molecules in the beaker Because the person who drew it forgot to use the lowest whole number ratio possible That is how many molecules filled up the space So that a whole H molecule can be formed in the after beaker

Use Figure 23 1 to identify the family of lipids to which each of these molecules belongs a H b i OH 16 COOH CH OC CH CH2 15CH3 CHOC CH CH 13CH3 CH O P O O c CH CH2 C O CH CH CH CH CH CH

a Which animal fat has the largest percentage of saturated fatty acids b Which vegetable oil has the largest percentage of polyunsaturated fatty acids c Which fat or oil has the largest percentage of the essential fatty acid linoleic acid

Solubility g of salt in 100 g H O 100 90 80 60 50 40 30 20 10 NANOS Cack Pb NO 2 NaCl Leh KCI KCJOS Co SO4 0 0 10 20 30 40 50 60 70 80 90 100 Temperature C 17 Which materials have the same solubility at 71 C at 23 C at 82 C 18 Which compound is most soluble at 10 C 19 Which substance is most likely a gas 20 If 30 g of KCIO is dissolved in 100 mL of water at 70 C is it saturated unsaturated or supersaturated 21 If 25 g of KCI is dissolved in 100 mL of water at 50 C is it saturated unsaturated or supersaturated 22 At which temperature do KNO KCI have the same solubility 23 At 10 C if 20 g KNO is dissolved would the solution be unsaturated saturated or supersaturated 24 At 10 C if 92 g KNO is dissolved would the solution be unsaturated saturated or supersaturated 25 At 10 C if 18 g KNO is dissolved would the solution be unsaturated saturated or supersaturated 26 For KCIO at 70 C how many grams would dissolve to make a saturated solution