1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Natali [406]
4 years ago
14

Calculate the standard entropy of vaporization of ethanol, C2H5OH, at 285.0 K, given that the molar heat capacity at constant pr

essure of ethanol vapor is 78.3 J
Chemistry
1 answer:
MArishka [77]4 years ago
4 0

Answer: The standard entropy of vaporization of ethanol is 0.275 J/K

Explanation:

C_2H_5OH(l)\rightleftharpoons C_2H_5OH(g)

Using Gibbs Helmholtz equation:

\Delta G=\Delta H-T\Delta S

For a phase change, the reaction remains in equilibrium, thus \Delta G=0

\Delta H=T\Delta S

Given: Temperature = 285.0 K

\Delta H=78.3J/mol

Putting the values in the equation:

78.3J=285.0K\times \Delta S

\Delta S=0.275J/K

Thus  the standard entropy of vaporization of ethanol is 0.275 J/K

You might be interested in
Please help me with this chemistry
kobusy [5.1K]

Answer:

57)a)increase

b)increase

c)pressure

58)

7 0
2 years ago
Consider the image of a fossil below.
Alchen [17]

Answer:That would be to find the age of the fossil. Its called radiometric dating.

Explanation:

8 0
2 years ago
What are some of the global effects of a volcanic eruption?​
EleoNora [17]

Answer:

<h2>People loose their homes</h2>

Explanation:

<em><u>Because of the lava that exploded, it may touch a house which may burn the house</u></em>

4 0
3 years ago
Read 2 more answers
What is the volume of a solution that has a specific gravity of 1.2 and a mass of 185g<br><br>​
Ludmilka [50]

Answer:

154ml

Explanation:

I just know lol.

6 0
3 years ago
Write the oxidation number for the following elements: for brainliest answer
ollegr [7]

Explanation:

Here's an oxidation chart to help

..................

6 0
3 years ago
Other questions:
  • Which atoms are more stable in the combined form?
    8·2 answers
  • How could you verify that you produced carbon dioxide in your combustion reaction? 2. what indication did you have that nh3 was
    9·1 answer
  • Give the pka values for the protonatable groups of glutamine, and then calculate its pi
    8·1 answer
  • 1. If the nucleus of an atom were left undisturbed
    8·2 answers
  • In the reaction n2 + 3h2 ---&gt; 2nh3, how many grams of nh3 are produced if 25.0 g n2 reacts with excess h2? question 10 option
    10·1 answer
  • 4C,H,O2N + 2H2O → 3CH4 + 5CO2 + 4NH3
    9·1 answer
  • The following reaction was monitored as a function of time: A→B+C A plot of ln[A] versus time yields a straight line with slope
    6·1 answer
  • A compound is found to be 38.76% calcium, 19.97% phosphorous and 41.28% oxygen. What is the empirical formula for this compound?
    10·1 answer
  • The mass to change ratio of the proton is found to be 1.044×10¯⁸KG/C.the change on the proton is 1.602×10¯¹⁹C.calculate the mass
    15·1 answer
  • Convert 3,124,991 centimeters (cm) to miles (mi) rounding to 4 sig figs
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!