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Q 5(a) [15 Marks] (i) Using The Information Contained In The Table Below, Calculate

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Q 5(a) [15 Marks] (i) Using the information contained in the table below, calculate the free energy of formation, Gf0, of H2O(g) at 298 K, and Keq for the same reaction at 350 K: Compound H0f (kJ mol-1) S (J mol-1 K-1) H2O(g) -241.818 188.925 H2 (g) 130.684 O2(g) 205.138 (ii) For the reaction in 5(a)(i), sketch (approximate) graphs of ln(Keq) as a function of the inverse of temperature (1/T), AND of Gf0 as a function of temperature (T). Briefly describe the features of both graphs.

Examine The Following Electrochemical Cell: In This Cell, The Reactions Occur In A Neutral

Examine the following electrochemical cell: In this cell, the reactions occur in a neutral aqueous solution, and voltage is exerted in the outer circuit. a.What is the reaction that occurs near the anode? And what is the reaction that occurs near the cathode? b.When the electrodes are connected to each other only by metal wire, That is no voltage activation, is it a galvanic or electrolytic cell? c.Is it possible to produce silver metal when a cell voltage is applied? d.Aluminum metal cannot be produced by this method, explain why. We will therefore propose to build the following electrolytic cell, with carbon and Al2O3 electrodes in molten state: d.Write the reactions that occur in each electrode, what is the anode and what is the cathode? e.What is the current required for electrolytic precipitation of 1 gr aluminum for 3 hours? List your calculation.

3. (Multiple Choice) What Is The Correct Stereochemical Descriptor For The Following Compound? он

please explain in detail. where does the numbers 2,3 come from?

1. Diamonds Have A Density Of 3.52 G/mL. What Is The Volume (in Units

1. Diamonds have a density of 3.52 g/mL. What is the volume (in units of cm3) of a diamond with a mass of 11.8 g? 2. A doctor orders 0.500 g of ampicillin. The liquid suspension on hand contains 250 milligrams of ampicillin / 5.0 mL. How many milliliters of the suspension are needed? 3. How many calories are required to raise the temperature of a 13.4 g sample of iron from 25.6°C to 42.1°C? 4. How many electrons in the Cu1 ion? 5. The reaction shown below shows that silver nitrate (AgNO3) reacts with sodium chloride to make silver chloride (AgCl) and sodium nitrate (NaNO3). How many grams of silver chloride will be produced from 155.7 g of silver nitrate when it is mixed with 100,000,000 grams of sodium chloride?

Find The Miller Indices Of The Planes That Intersect The Crystallographic Axes At The

Find the Miller indices of the planes that intersect the crystallographic axes at the distances (1a, 3b, -c) and (2a, 3b, 4c).

1. You Have A 17% (m/v) Solution Of NaOH Dissolved In Water. The Solution

1. You have a 17% (m/v) solution of NaOH dissolved in water. The solution contains 101 g of NaOH. What is the volume of your solution in milliliters? 2. You have an atom with 19 protons, 19 neutrons and 19 electrons. What is its atomic mass in units of amu? 3. What is the molarity of a solution that contains 37.6 g of NH3 dissolved in 1.00 L of solution?

Organic Chem 1. Which Of The Following Functional Groups Can Undergo Β-elimination Reactions? A)

Organic Chem 1. Which of the following functional groups can undergo Β-elimination reactions? a) aldehydes b) alcohols c) ketones d) ethers 2. Which of the following alkyl chlorides will most likely undergo an SN2 substitution reaction? a) 2-chlorobutane (b) 2-chloro-2-methylbutane (c) 2-chloro-2-methylpropane (d) 1-chloro-2,2-dimethylpropane

5 Moles Of An Ideal Gas Expands Irreversibly To Double Its Volume Into A

5 moles of an ideal gas expands irreversibly to double its volume into a vacuum at 273K from an initial volume of 112L. Calculate the following: (i) the change in entropy for the gas, DeltaS(sys) (ii) The work done on the gas, W(sys) (iii)The heat transferred to the surroundings, q(surr) (iv)The change in entropy for the surroundings DeltaS(surr) (v) The total change in entropy DeltaS(tot)

1. 25.0 ML Of 0.212 M NaOH Is Neutralized By 13.6 ML Of An

1. 25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is… The relevant balanced reaction is shown here: NaOH HCl => NaCl H2O 2. A cycloalkane … …contains CH3 groups joined by single bonds. …has 2 fewer hydrogen atoms than the corresponding linear alkane. …has 2 fewer carbon atoms than the corresponding linear alkane. …has no hydrogen atoms. …always contains a 3 carbon ring.

1. Alanine Is An Amino Acid With The Following Molecular Formula: C3H7NO2. You Are

1. Alanine is an amino acid with the following molecular formula: C3H7NO2. You are going to attach 10 alanine molecules to each other by peptide bonds. What is the molecular formula for the molecule that is made by attaching 10 alanine amino acids together in this way? (Note; each peptide bond that forms loses one water molecule ) 2. Your patient’s blood pressure is 120 mmHg / 80. mmHg. What is her blood pressure in atmospheres (atm)? There are 760 mmHg for every 1 atmosphere of pressure.

The %(w/w) P In An Unknown Fertilizer Sample Was Determined By Precipitating It As

The %(w/w) P in an unknown fertilizer sample was determined by precipitating it as MgNH4PO4 (MM=245.42) and heating this precipitate strongly to form Mg2P2O7. If 6.500 g of the unknown yielded 1.500 g of the Mg2P2O7 (MM= 222.57 g mol), what is the %(w/w) P (MM=30.97) in the sample? A. 20.73% B. 3.211% C. 6.422% D. 14.24% Please help with detailed step by step solution. Thank you.

Basic Reaction/Concept Worksheet 1.1 Description: Resonance Is The Concept That Electrons, If Conjugated, Can

I need clarification on how to determine what the BEST 2 additional structures are

So Im Taking A Summer Class But My Family Went On Vacation The Week

so im taking a summer class but my family went on vacation the week of this lab and ive kept up with everything but my professor still wanted me to do the calculations and i havnt really understood the titration too well can anyone help me figure the rest of this out?i uncluded the lab manual in case there was anything that i missed reading thag i would need for calculations

Based On Predicted Enthalpic And Entopic Change(changein H And S), Indicate Wherther Earch Of

Based on predicted enthalpic and entopic change(changein H and S), indicate wherther earch of the following will be spontaneous at all tempratures, at n tempratures, at high tempratures, or at low tempratures. breifley justify your answer. a. H2O(gas) ——–> H2O(liquid)

The Levels Of Which Metabolite Determine Whether Acetyl COA Can Enter The Citric Acid

The levels of which metabolite determine whether acetyl COA can enter the citric acid cycle? a. succinate b. a-ketoglutarate c. citrate d. oxaloacetate

I Have Not Been Doing This Sub And It’s A Must Do For Me

I have not been doing this sub and it’s a must do for me can you please help ?

A Patient Was Seen By A Gastrointestinal Specialist And Diagnosed With A Glycogen Storage

A patient was seen by a gastrointestinal specialist and diagnosed with a glycogen storage disease. A liver biopsy showed that the patient was producing very little glycogen, the molecules were relatively small, and they only had a(1,4) glycosidic linkages. Blood and liver glucose concentrations were within normal ranges. What enzyme is likely affected in this disease? a. glycogen synthase b. glycogen phosphorylate c. branching enzyme d. debranching enzyme e. hexokinase

Your Patient’s Blood Pressure Is 120 MmHg / 80. MmHg. What Is Her Blood

Your patient’s blood pressure is 120 mmHg / 80. mmHg. What is her blood pressure in atmospheres (atm)? There are 760 mmHg for every 1 atmosphere of pressure.

Oxygen Supply: Find How Many Liters Of O2 At 298 K And 1.00 Bar

Oxygen supply: Find how many Liters of O2 at 298 K and 1.00 bar are produced in 1.50 hr in an electrolytic cell operating at a current of 0.0100 A?

What Effect Would A Temperature Change Have On The Results For The Reaction

what effect would a temperature change have on the results for the reaction between NaOH and crystal violet solution？

A Government Chemist Has Performed A Gravimetric Analysis For Chloride Ion On A Sample

A government chemist has performed a gravimetric analysis for chloride ion on a sample submitted to the laboratory. The following results were obtained: Sample    Percent Chloride Ion     1          27.46     2          27.52     3          27.48     4          27.10 When reporting the standard deviation, the analyst said that A. approximately 68.3% of the data points lie between 27.19 and 27.59 percent chloride. B. approximately 75% of the data points lie between 27.46 and 27.52 percent chloride. C. approximately 68.3% of the data points lie between 27.29 and 27.49 percent chloride.

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