Explain what is the molar entropy change of the water

Assignment Help Chemistry
Reference no: EM13309630

Steam is condensed at 100 °C and the water is cooled to 0 °C and frozen to ice. What is the molar entropy change of the water? Consider that the average specific heat of liquid water at constant pressure to be 4.2 J K-1 g-1, ?Hvap is 2258.1 J g-1 and ?Hmelt is 333.5 J g-1.

Reference no: EM13309630

Questions Cloud

Find probability for out-of-control condition can detect : A quality characteristic is monitored by a control chart designed so the probability that a certain out-of-control condition will be detected on the first sample following the shift to that state is 1-beta.
How many moles of atoms are in sample : A certain element has a mass per mole of 54.9380 g/mol. How many moles of atoms are in a 268-g sample
Calculate waiting and average waiting time : A program that can do cpu scheduling algorithm priority using javascript or php to display gaant chart and calculate waiting and average waiting time
Emerging from bankruptcy gm : Emerging from bankruptcy GM's commitment to smaller more fuel
Explain what is the molar entropy change of the water : Steam is condensed at 100 °C and the water is cooled to 0 °C and frozen to ice. What is the molar entropy change of the water
What is the wheels frequency of rotation : A wheel of radius 30 cm is rotating at a rate of 2.0 revolutions every 0.080 s. What is the wheel's frequency of rotation
Explain the average of the initial temperatures : Your intuition probably tells you that for 2 identical blocks, Tf is the average of the initial temperatures, so that Tf = 1/2 (T1 + T2)
Obtain the rms value of the electric field of this radiation : The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.88 Ã- 10â€"14 J/m3
Determine if the robot is a justifiable investment : An assembly operation at a software company now requires $100,000 per year in labor costs. A robot can be purchased and installed to automate this operation. The robot will cost $200,000 and will have no market value at the end of the 10-year study p..

Reviews

Write a Review

Chemistry Questions & Answers

  Describe a period of discharge of a lead-acid battery

During a period of discharge of a lead-acid battery, 404 g of Pb} from the anode is converted into PbSO_4 (s). What mass of PbO_2 (s) is reduced at the cathode during this same period. Also How many coulombs of electrical charge are transferred fro..

  What is the final temperature of gold upon absorbing

Suppose that 25g of gold is initially at 27 degrees Celsius. What's the final temperature of gold upon absorbing 2.35kJ of heat?

  A medical patient has the ball section of his femur

A medical patient has the ball section of his femur replaced with a titanium implant. Assuming the implant is a perfect sphere with a radius of 1.5 inches

  Color of light emitted is characteristic to element

Explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element & explain with a sketch diagram how a hydrogen atom, which has only one electron, has so many spectral lines.

  Explain what is the final temperature of 100 g of water

what is the final temperature of 100 g of water, initially at 20 Celsius , to which 1000 calories (cal) are added

  Define the alpha-particles ionize molecules in the air

The alpha-particles ionize molecules in the air, allowing it to conduct an electric current. When smoke particles enter, the conductivity of the air changes and the alarm buzzes. (a) Write the equation for the decay of (mass number 241, protons 95..

  Explain the atmosphere though reaction with oh

It is quickly degraded in the atmosphere though reaction with OH• and O3 to form non volatile species which then form particles. These latter ones are responsible for the haze.

  Compute the solubility of copper iodate

Calculate the solubility of copper (II) iodate in 0.56 M copper (II) nitrate. Ksp* is 7.4x10-8 M3.

  State the concentration of cations in the solutions

Write the concentration of cations in mEq/L and total the concentration of cations in the solutions. Repeat for anions.

  How to calculate the activation energy of a reaction

Calculate the activation energy of a reaction if the rate constant is 0.75 s 1at25 Celsius and 11.5 s 1at 75 celsius. (the universal gas constant is 8.314J/mol K)

  State allows fireflies to illuminate the abdomens

Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP

  Explain the solar system model

In a simplified and example version of the solar system model (developed by Neils Bohr, a Danish chemist), an electron in the first orbit has an energy of 2 J

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd