Pencil lead is almost pure graphite. Graphite is the stable elemental form of carbon at 25C and

Fantastic news! We've Found the answer you've been seeking!

Question:

Pencil “lead” is almost pure graphite. Graphite is the stable elemental form of carbon at 25°C and 1 atm. Diamond is an allotrope of graphite. Given:

diamond: ΔHf° = 1.9 kJ/mol; S° = 2.4 J/mol • K at what temperature are the two forms in equilibrium at 1 atm?

C (graphite) <—> C (diamond)

Related Book For answer-question

Chemistry

ISBN: 978-0077274313

10th edition

Authors: Raymond Chang

See More Books

Posted Date: Mar 16, 2021 10:56 PM

See More Questions

Liquid water at 25 C and 1 bar fills a rigid vessel. If heat is added to the water until its temperature reaches 50 C, what pressure is developed? The average value of ( between 25 and 50oC is 36.2 (...
At 25 C and 1 atmospheric pressure (Note that 1 atm=101.3 kPa), an ideal monatomic gas takes up a volume of 100 L. The gas undergoes adiabatic expansion. The work done by the gas is 7000 J. (a)...
Diamond and graphite are both pure carbon. Yet diamond is the hardest natural substance and graphite is one of the softest. Why?
Metro builds and operates traditional shopping malls. It holds a $25 million deferred tax asset relating to credit carryforwards at the state, local, and Federal levels. No valuation allowances...
The following regression results relate to a study of the salaries of public school teachers in a Midwestern city: a. What is the /-ratio for EXP? Does it indicate that experience is a statistically...
1. What is the difference between actual and apparent agency? What tests are used to evaluate whether each is present in a given case? 2. Is it fair to hold McDonalds Corporation liable when its...
It would be helpful to me if I could start by asking you to basically tell me about your job. Okay?
The partnership of Frick, Wilson, and Clarke has elected to cease all operations and liquidate its business property. A balance sheet drawn up at this time shows the following account balances: Part...
Block 1 m m Block 2 Note: Figure not drawn to scale. Two blocks are connected by a string of negligible mass that passes over massless pulleys that turn with negligible friction, as shown in the...
You are a profitable conglomerate thinking about getting into the gelati business by acquiring the firm Alati Gelati (AG). Current info for you, AG and their similar comp is listed below. You...
A light ray entering an optical fiber (made from crown glass) surrounded by air is first refracted and then reflected as shown below. 7 7 a. What is the minimum angle 0 (greater than or equal to 0)...
How should we change the police response to family violence? What laws should be altered? Strengthened? Changed? Should we rely on the law to solve these types of issues knowing that they will most...
A-Z Construction Company was organized on May 1 of the current year. On May 2, A-Z Construction prepaid $5,040 to the city for taxes (license fees) for the next 12 months and debited the prepaid...
Jackson Inc. produces leather handbags. The production budget for the next four months is: July 5,700 units, August 7,200 units, September 8,300 units, October 8,200 units. Each handbag requires 0.6...
A 5 . 0 0 - kg chandelier hangs from the ceiling of an elevator by a cable. The elevator descends through a distance of 1 0 . 0 m in 2 . 0 0 s . At the beginning of this time interval, it is moving...
It is an area of law which deals with family matters including marriages, custody and support?
4 - Indicate whether the following are subject to Employment Insurance premiums by indicating 'yes' or ' no ' in the appropriate box. a ) retiring allowance b ) supplement for any part of an...
MgO prevents premature evaporation of Al in a furnace by maintaining the aluminum as Al2O3. Another type of matrix modifier prevents loss of signal from the atom X that readily forms the molecular...
A glass of water initially at pH 7.0 is exposed to dry air at sea level at 20C. Calculate the pH of the water when equilibrium is reached between atmospheric CO2 and CO2 dissolved in the water, given...
Write Lewis structures for the following species, including all resonance forms, and show formal charges: (a) HCO2- , (b) CH2NO2- . Relative positions of the atoms are as follows: H C
The volume of the box on the right is twice that of the box on the left. The boxes contain helium atoms (red) and hydrogen molecules (green) at the same temperature. (a) Which box has a higher total...
The SDLC is just one model for systems development. Find at least one more and describe the differences.
Draw DFDs for each of these scenarios: (a) A customer goes into a bookshop and asks for this book. The member of staff looks for the book in the online stock catalogue and reports that the book is...
Draw an entity model to model this university scenario: A university department employs lecturers and clerical staff. It offers a three-year degree. A student has to take 12 modules during the...

Pencil lead is almost pure graphite. Graphite is the stable elemental form of carbon at 25C and

Question:

Expert Answer:

from Gibbs function we know G H T S At Equ... View the full answer

Chemistry

Students also viewed these chemistry questions