Question

Calculate the change in entropy of 1.0 kg of lead when it cools from 500 °C to 100 °C. Take Cp,m = 26.44 J K− 1 mol −1.

Change in entropy = _________ J/K.  3 sig. figures.

 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: How does this temperature dependence affect the amount of oxygen available for fish and other aquati...

A: It is known that fishes and other aquatic animal’s gets oxygen from water for respiration.

Q: Propose a mechanism for this reaction. || » CH3COCH=CH, H,SO4 HC=CH + CH3COH H9SO4 Acetylene Acetic ...

A: Click to see the answer

Q: Choose the element with the higher first ionization energy in each pair.a. Br or Bi b. Na or Rb c. A...

A: Ionization energy :  From the ground state of an atom , if one electron is removed than the energy r...

Q: According to Coulomb’s law, rank the interactions between charged particles from lowest potential en...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Questions 9 What mass of Cu(HO)2 with 6.2g of  produce in the reaction of 7.6g Cu(NO3)2 with 6.2g of...

A: In order to find the amount of Cu(OH)2 produced we first write down the given data: Mass of Cu(NO3)2...

Q: A mixture of 2.0 mol of H2( g) and 1.0 mol of O2( g) is placed in a sealed evacuated container made ...

A: To find the final temperature of water, we first write down the given data: Number of moles of hydro...

Q: Which bond in attached pair has the higher bond dissociation energy?

A: As the atomic size increases on moving down in a group of periodic table. Hence the size of S > s...

Q: Describe the Bohr model for the atom. How did the Bohr model account for the emission spectra of ato...

A: Bohr model of atom was given by Neil Bohr. It came with modification of Rutherford model of an atom....

Q: 13. Give the IUPAC name for each of the following: a. H2C=CH2 CH3 b. CH3-C=CH2 c. CH3-CH2-C C-CH3 d.

A: a) The compound given is CH2=CH2  Hence there is a alkene functional group i.e double bond in the co...

Q: Use bond enthalpies and mean bond enthalpies to estimate (a) the enthalpy of the anaerobic breakdown...

A: The combustion of glucose in presence of oxygen will produce carbon dioxide and water molecules.

Q: WHich are The Fundamental Types of Crystalline Solids?

A: Click to see the answer

Q: A 1.2 m aqueous solution of an ionic compound with the formula MX2 has a boiling point of 101.4 °C. ...

A: Click to see the answer

Q: A compound has the formula C8H8 and does not contain any double or triple bonds. All the carbon atom...

A: Given formula of the compound is C8H8.  It is said that there are no double bonds or triple bonds pr...

Q: When 10.00 g of phosphorus is burned in O2( g) to form P4O10(s), enough heat is generated to raise t...

A: Given; M = 10.0 g c = 4.2jgC ∆T = (38-18)oC

Q: Question in image.

A: The appropriate Lewis structure for NO3- ion is need to be identified.  

Q: Given the following equilibrium constants at 423°C, Naz0(s) = 2 Na(l) +02 (9) Kị = 4 × 10-25 1 NaO(g...

A: (a)

Q: Why is visible light (by itself) not used to destroy cancerous tumors?

A: A series of electromagnetic radiation with different frequencies and wavelength is known as electrom...

Q: can you help this question?

A: Given, mass of solute, H2SO4 = 147.0 g             density of solution = 1.29 g/cm3 = 1.29 g/mL     ...

Q: Explain lectronegativity and Bond Polarity?

A: Given: Electronegativity and Bond Polarity

Q: Number 15.64

A: According to Le Chatelier's principle the system at equilibrium always try to minimize the effect of...

Q: What are periodic properties?

A: Given: Periodic properties.

Q: Which value corresponds to a negative value of ΔGo: Keq = 10−2 or Keq =  102?

A: Click to see the answer

Q: The vapor above an aqueous solution contains 19.5 mg water per liter at 25 °C. Assuming ideal behavi...

A: Click to see the answer

Q: Household hydrogen peroxide is an aqueous solution containing 3.0% hydrogen peroxide by mass. What i...

A: Click to see the answer

Q: material is a common oxide ceramic?a) N2O b) Al2O3 c) Fe2O3 d) CuO

A: Click to see the answer

Q: The rate of vaporization depends on the surface area of the liquid. However, the vapor pressure of a...

A: Liquids with larger surface area will have higher rate of vaporization because there is more surface...

Q: Please answer a b c

A: a.  The predominant form of alanine amino acid at pH of 7.4 is drawn as,

Q: A voltaic cell using Pb²⁺/Pb and Ni²⁺/Ni half-cells is set up at standard conditions, and each compa...

A: Click to see the answer

Q: A mixture of helium, nitrogen and oxygen has a total pressure of 0.855 atm. The partial pressure of ...

A: Given: Total pressure = 0.855 atm. The partial pressure of Helium=0.332 atm The partial pressure of ...

Q: Please answer a,b

A: In E2 reaction mechanism the base or nucleophile takes proton from the reactant and removes the leav...

Q: A proton in a linear accelerator has a de Broglie wavelength of 122 pm. What is the speed of the pro...

A: Click to see the answer

Q: An aqueous solution containing 35.9 g of an unknown molecular (nonelectrolyte) compound in 150.0 g o...

A: Click to see the answer

Q: What is the significance of the equilibrium constant?

A: Equilibrium is state at which concentration of reactant and product changes with respect to time. Th...

Q: Why are X-rays used for crystallography? Why not use some other, more accessible type of electromagn...

A: Click to see the answer

Q: Assign R or S configuration to each chirality center in the following molecules. First assign the co...

A: Fischer projection for first structure is given as follows:

Q: For a reaction with ΔHo = 40 kJ/mol, decide which of the following statements is (are) true. Correct...

A: Consider the reaction in which the change in the enthalpy is, ΔH°=40 kJ/mol. a) The given is stateme...

Q: Compare the crystal structure of diamond (C) and zinc blended (ZnS). What are the key similarities a...

A: Similarities:  Both diamond and zinc blend have FCC lattice structure. Each carbon atom in diamond c...

Q: Chemistry Question

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: A solution contains 0.102 mol Ca(NO3)2 and 0.927 mol H2O. Calculate the vapor pressure of the soluti...

A: Given data,

Q: Mass of group in lbs           728 lb  mass in kg cg tons mg

A: Different units are present to measure the weight.  

Q: What happens to the interference pattern described in Problem 47 if the rate of electrons going thro...

A: The process in which the light gets slightly bent when it passes around the corners of an object or ...

Q: Which molecule would you expect to be a free radical?(a) CO(b) CO2(c) N2O(d) NO2

A: Molecule that contain at least one unpaired electron.

Q: Calculate the cell voltage under these conditions. Round your answer to  3 significant digits.

A: The reaction given is Hence in the above reaction, Sn2+ is being reduced to Sn and Ba is being oxid...

Q: The azide ion, N3 - , is a symmetrical ion, all of whose contributing resonance structures have form...

A: Resonance structure : This are the equivalent structures that have nearly same energy. The azide ion...

Q: 3. How many atoms of titanium are there in 100 grams of Ti? Solve: 1) Record and list every NUMBER w...

A: Since you have posted multiple questions, we will solve only first question for you. If you want the...

Q: The density of a substance can change with temperature. The graph displays the density of water from...

A: Density of water at 1˚C (approximate value) = 999 kg/m3 Density of water at -1˚C (approximate value)...

Q: Identify and assign the stereocenters using R and/or S in Ana toxin-a and anatoxin-a(S)

A: Anatoxin-a:

Q: In the electrolytic refining of a metal M, what would you take as the anode, thecathode and the elec...

A: Click to see the answer

Q: How Rate laws for new reactions with unknown mechanisms are determined ?

A: The expression of reactant molecules in terms of their concentration raised to their stoichiometric ...

Q: Calculate the amount of heat (in kilojoules) required to vaporize 2.24 kgkg of water at its boiling ...

A: Click to see the answer