Energetics and Thermodynamics

Please help answer the following questions. See the attached file for multiple choice options. 1. Which sample of sulfur at 25°C has the greatest entropy? 2. What is the standard free energy change for the following reaction at 25°C: C(diamond) —> C(graphite) 3. Which sample of H2O has the least entropy? 4. Which su

Specific Heat
Could you please take a look at this? I’m having trouble with #2 and #3. Thank you! Observations: #1 – Initial temperature of Iron shot (Fe) metal: 100°C Final temperature of Iron shot (Fe) metal: 28°C Initial temperature of water from calorimeter: 20°C Final water temperature from calorimeter: 28°C #2

Don't use plagiarized sources. Get Your Custom Essay on
Energetics and Thermodynamics
From $10/Page
Order Essay

Chemical potential and mathematical relation of Kc and Kp
Define chemical potential, equilibrium Constants Kp and Kc. Also derive Kc and Kp mathematically and show the relationship between them.

An explanation of entropy of chemical reactions
In which of the following processes will S be positive? 1. 2H2(g) + O2(g)—-> 2H2O(g) 2. SO3(g) + H2O(l)—–> H2SO4(l) 3. 2KClO3(s)—–>2KCl(s) + 3O2(g) A) 2 only B) 3 only C) 1 and 3 only D) 1 only E) 1 and 2 only

For the equilibrium system CO2(g) + H2(g) CO(g) + H2O(g) H = +42 kJ/mol K equals 1.6 at 1260 K.
For the equilibrium system CO2(g) + H2(g) CO(g) + H2O(g) H = +42 kJ/mol K equals 1.6 at 1260 K. If 0.15 mol each of CO2, H2, CO, and H2O (all at 1260 K) were placed in a 1.0-L thermally insulated vessel that was also at 1260 K, then when the system came to equilibrium, A) the temperature would remain constant and the

Heat Capacity, Enthalpy, IM Forces and Radius of Pt Atom
1.Calculate the amount of heat that must be absorbed by 10.0 g of ice at -20 C to convert it to liquid water at 60.0 C. Given: Specific heat (ice)=2.1 J/goC Specific heat(water)=4.18 J/goC H (fus)=6.0 kJ/mol 420 J 2,900 J 6,300 J 63 kJ 7.5 J 2. The major enthalpy of Boron tribromide (BBr3) is 30.5 kJ/mol, and its norma

Calories and Diet
Please explain the relationship between calories, food, and heat by responding to the following prompts: 1. List the ‘magic formula’ for weight loss. List a high-calorie food and a low calorie food. Do you see a relationship between the high calorie foods and the low calorie foods (other than the number of calories?) I ca

In a reaction in which the rate of the reverse reaction is equal to the rate of the forward reaction, a state of _____ is attained.a. total entropyb. enthalpyc. thermodynamicsd. dynamic equilibriume. product reversibility
In a reaction in which the rate of the reverse reaction is equal to the rate of the forward reaction, a state of _____ is attained. a. total entropy b. enthalpy c. thermodynamics d. dynamic equilibrium e. product reversibility

Specific heat and homeostasis
It takes 1 calorie of heat to raise the temperature of 1 gram of water 1 degree Celsius at sea level. This is referred to as the _____ of water. a. heat of fusion b. heat of vaporization c. specific heat d. heat of transformation e. heat of homeostasis

Deciding if a Reaction is Endo- or Exothermic
Calculate the value of Delta S when 1.00 mole of ethanol is vaporized at 78.0°C and 1.00 atm. I get 110 J/K mol, but is it a negative or positive number, I want to say because of vaporization it is an endothermic response which would make the number 110 J/K mol.

Entropy change of surroundings for the process: l -> g
Substance X has a heat of vaporization of 55.4 kJ/mol at its normal boiling point (423°C). For the process X (l) -> X (g) at 1 atm and 423°C calculate the value of change of Suniv*

Entropy Change of Fusion
Assume that the enthalpy of fusion of ice is 6020 J/mol and does not vary appreciably over the temperature range 270-290 K. If one mole of ice at O°C is melted by heat supplied from surroundings at 280 K, what is the entropy change in the surroundings, in J/K?

Chemistry: Equilibrium Concentration Sample Questions
a) What is the expression for the eqilibrium constant K in terms of the concentrations of the products and reactants for the reaction between ammonia, (NH3 (aq)) (SMALL 3), WHICH REACTS WITH WATER TO PRODUCE AMMONIUM (NH4 + (aq)) and hydroxide (OH – (aq)) ions. NH3 (aq) + H20 (l) = NH4+ (aq) + OH- (aq) the enthalpy cha

Cyclopentadienone
Cyclopentadienone is unstable and rapidly undergoes the Diels-Alder reaction with itself. Write the structure for this Diels-Alder addition product. The Diels-Alder addition product of the question above undergoes a fragmentation reaction on heating to produce a bicyclotrienone compound plus carbon monoxide. Suggest a struc

Gas Delivery Tube
In an experiement, the directions given emphasized that the gas delivery tube must be disconnected from the top of the condenser before removing the reaction vial from the heat source. Why is this necessary?

Should you install a solar water heater? The average home has a 200 liter (50-60 gallon) hot-water tank, which is effectively drained and replenished three times per day.
Should you install a solar water heater? The average home has a 200 liter (50-60 gallon) hot-water tank, which is effectively drained and replenished three times per day. Assume that the entering tap water is 19 degrees C and is heated to 54 degrees C. Given an average energy from sunlight of 1.53 kJ/cm2 per day, how large would

Entropy, Free Energy, and Equilibrium
Entropy, Free Energy, and Equilibrium: Under what conditions does a substance have a standard entropy of zero? Can a substance ever have a negative standard entropy? ( I need help with answering the following question)

Methanol: Structural Formula/Enthalpy Change Calculations, Etc.
Methanol (CH3OH) has been offered as a contender for alternative motor vehicle fuel for many years. In fact the technology of burning methanol in car engines, especially racing cars, has been use since the 1960s. Methanol (also known as wood alcohol) can be produced by the fermentation of biomass (naturally occurring organic mat

Free energy and vapor pressure
Consider the thermal decomposition of CaCO3. CaCO3(s) <–> CaO(s) + CO2(g) The equilibrium vapor pressures of CO2 are 22.6 mmHg at 700°C and 1829 mmHg at 950°C. Calculate the standard enthalpy of the reaction. I am having problems finding how to used the standard free energy formula with vapor pressure. Can you help me?

Derivation of entropy of mixing starting from Sackur-Tetrode equation.
I have trouble solving this problem and I would like to see a detailed derivation if possible. Problem: Derive the standard thermodynamic formula for the entropy of mixing by starting with Eq.(5-20).

Important information about Thermochemistry problem
Consider the reaction below. N2(g) + 3 H2(g)–Δ 2 NH3(g) ΔH°rxn = -92.6 kJ/mol If 1.0 moles of N2 react with 3.0 moles of H2 to form NH3, calculate the work done (in joules) against a pressure of 1.0 atm at 29°C. In Kj and then What is ΔE for this reaction? Assume the reaction goes to completion. Im not sure how t

Calculate Heat Produced by Burning Magnesium
A 0.1203 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 J/?C. The calorimeter contains exactly 261 g of water, and the temperature increases by 1.126 degrees C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol. I have tried -16.6 KJ/g and -386

enthalpy for the combustion of pentane
1)The combustion of pentane,C5H12, occurs via the reaction: C5H12(g)+8O2(g)>>5CO2(g)+6H2O(g) with heat of formation values given by the following table: SUBSTANCE ΔH?f(kj/mol) C5H12 (g) -35.1 CO2(g) -393.5 H2O(g) -241.8 Calculate the enthalpy for the combustion of pentane Express

Calculating Enthalpy Change for the Reaction: Example Problems
1) Calculate the enthalpy change for the reaction: P4O6(s)+2O2(g)>>P4O10(s) given the following enthalpies of reaction: P4(s)+3O2(g)>>P4O6(s) deltaH = -1640.1 kJ P4(s)+5O2(g)>>P4O10(s) deltaH = -2940.1 kJ 2) From the enthalpies of reaction: H2(g)+F2(g)>>2HF(g) deltaH = -537kJ C(s)+2F2(g)>>CF4(g) deltaH = -680kJ 2C(s

Calorimetry
1)When a 9.55 g- sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee-cup calorimeter, the temperature rises from 23.6 C to 47.4 C . Calculate the molar enthalpy (in kJ/mol NaOH) for the solution process NaOH(s)>>Na+(aq)+OH-(aq) . Assume that the specific heat of the solution is the same as that of pure w

Thermodynamics in a Reaction for Entropy Change
Thank you so much for any help you can offer. Calculate the entropy change (J/mole.K) of the reaction. The molar entropies [S] are given in brackets after each substance. 2C2H2 (g) [200.8] + 5 O2 (g) [205.0] &#8594; 4 CO2 (g) [213.6] + 2H2O (l) [69.91]

Equilibrium Constant Calculation.
I have posted several questions that I need to understand how to work for my test. Thanks! Given the thermodynamic data in the table below, calculate the equilibrium constant for the reaction: 2SO2 (g) + O2 (g) –> 2SO3 (g) Substance deltaHf° (kJ/mol) deltaS° (J/mol K) SO2(g) -2

Thermodynamics of Glycolysis Hydrolysis
In glycolysis, the hydrolysis of phosphoenol pyruvate is thermodynamically driven by the highly exergonic enol-to-keto conversion of pyruvate. From the two half reactions shown below, what is the G° (kJ/mol) of the overall reaction? Half reactions: I. phosphoenol pyruvate + H2O → enol pyruvate + HPO42- G° = -16

Calculation of decomposition temperature of Ag2O
I do not understand how to calculate this. For the following reaction: Ag2O (s) > Ag (s) + ½O2 (g) H°f (kJ / K . mole) -31 0 0 S° (J / K . mole) 121.3 42.6 205.1 Calculate the temperature (°C) where Kp = 1..To continue with the answer check on mycoursewriter.com/

My Course Writer
Order NOW For A 35% Discount!
Pages (550 words)
Approximate price: -

Why Choose Us

Quality Homework Writing

Do you need to ace your test? We have qualified writers to assist you in writing 100% quality homework writing. Mycoursewriter offers students unique and personalized custom papers that help them in getting good grades. Our academic experts will assist you with your dissertation papers, thesis writing, research papers, term papers, and case study homework help. Our writers are experienced and have perfected the art of crafting the best essay writing papers regardless of your academic level. Order now and get our superb homework writing services.

Expert Academic Writers

A student needs professional assistance outside class time. Before hiring our writers, they undergo thorough tests and strict educational backgrounds. After passing a test, our writers undergo training to ensure they deliver expert professional papers to our customers. We ensure they meet the timely delivery of papers and follow our customers' provided instructions. Every writer is an ENL writer and is from the USA, Canada, UK, or Australia. Our experts approach papers effectively depending on their area of specialization.

Affordable Price Guarantees

Is the deal too good to be true? Mycoursewriter is the most affordable assignment help website on the market. We consider students' daily needs for academic help. Our paper costs are reasonably priced to approximately 90% of students around the globe. Our main aim is to ensure students achieve academic excellence, and we believe inconsiderable prices should not hinder students from getting quality homework writing help. In case of any dissatisfaction, we offer unlimited revisions and rewrites without extra charges.

Timely delivery of papers

Tight deadline? Is your paper due in the next few hours? Worry no more. Our writers are here for your rescue. Many college students find it hard to balance their social and academic life and get caught up with academic deadlines. Drafting your paper at the last minute does not allow you to conduct extensive research and craft the correct answers. We have expert writers ready to work on your assignment writing. Urgent writing services are the ultimate solutions you need. We guarantee you timely delivery of papers at your convenience and specified time delivery of the customer.

100% Original Tasks

The ultimate deal-breaker in achieving good grades is submitting imitative papers. Plagiarism is a breach of examination standards and has serious consequences. Students need to deliver papers written in their understanding by paraphrasing their research findings and relevant citations. Our expert's primary consideration is providing free plagiarized papers that meet the lecturers' requirements. Our editors will proofread your paper before delivery ad ensure your papers will not be substandard. We guarantee extreme originality, and in case of any customer concerns, we offer a plagiarism report.

All Round the clock Customer Support

Our website is user-friendly and super useful! Mycoursewriter is the most trusted online writing website always available to provide you with assignment writing services that you need. Our primary concern is meeting customer need specifications by our friendly customer support team that Is available all the time. Our website usability is self-learnable but in case of any problem, feel free to contact us directly through our website email: support@mycourserwiter.com. We have diligently satisfied thousands of students, and you can witness this on our sites' review page.

Try it now!

Calculate the price of your order

We'll send you the first draft for approval by at
Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Advantages of Using Our Assignment writing Services

Mycoursewriter welcomes you for superb essay writing services. We are a legit site offering help with your most challenging homework writing assignments at affordable prices. Your essay paper will be assigned to a professional writer who will craft the paper from scratch according to your provided instructions.

Essays

Essay Writing and Proofreading Services

Essay writing is a common assignment writing for most college students. It takes a lot of time to craft a complete perfect essay. Mycourserwiter offers the best essay writing and proofreading services for most college students. Your paper is assigned to an expert writer who does thorough research on fresh ideas and personalizes your essay paper according to your assignment writing guidelines. Our essays are entirely exceptional and undergo a strict procedure that includes papers free from plagiarism and thorough proofreading.

Admissions

Admission and Business Papers

Writing an admission paper is not every student's desire, and this should not hinder any student from earning an admission. Writing a perfect personal statement to earn a position in a dream school or job can be stressful. Personal statements should display a high level of confidence and uniqueness. Admission essays require you to have a vast knowledge of the current happenings in the world and knowhow of the business world. We have qualified writers with skills who will write your admission paper through comprehensive research. All you have to do is provide us with little details about yourself, instructions and our writers will craft a perfect paper for you.

Editing

Editing and Proofreading

Mycoursewriter offers you assignment writing services free from grammatical and formatting mistakes. An error-free paper is significant in scoring the desired maximum grades. We have a team of editors who will go through your paper after our expert writers have delivered their fully crafted papers. Our writers will cover all the aspects of your paper instructions, such as fonts, spacing, and educational formats. Our team of editors will check through your paper to make sure it meets the formatting style provided in the paper instructions. Under no circumstances will a poorly formatted paper will be forwarded to you as our team of editors will ensure careful proofreading.

Coursework

Technical Papers

Assignment writing is part of a learning process, and one may not have the knowledge to answer all questions correctly. This should not be a stress to you as we have qualified essay writing experts to help you. Our qualified writers are holders of PhDs, Degrees, and Masters in different areas of study and can handle any papers regardless of the complexity. Multiple assignments may be challenging to finish on time. Our skilled professional writers are here to assist you in crafting all the correct answers for your assignment. Stop stressing about your homework writing and place an order with us, and our expert writers will provide you with the best assignment help.

Open chat
Chat with us Live Here
Get in Touch with Our Live Chat Agents via WhatsApp on +1(346) 416-0954. Get Unlimited Access to Answers on Any Queries With Your Paper.