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
ioda
3 years ago
8

The molar heat capacity for carbon monoxide at constant volume is CV,m = 20.17 J/(K·mol). A 3.00-L fixed-volume flask contains C

O(g) at a pressure of 8.00 kPa and a temperature of 25.0 °C. Assuming that carbon monoxide acts as an ideal gas and that its heat capacity is constant over the given temperature range, calculate the change in entropy for the gas when it is heated to 800.0 °C.
THIS IS FOR MY HIGHSCHOOL, BUT IS MAINLY COLLEGE STUFF PLEASE HELP ME A BIT ;-;
Chemistry
1 answer:
kompoz [17]3 years ago
5 0

ΔS = 0.250 J·K^(-1)

<em>Step 1</em>. Calculate the <em>moles of CO</em>

From the<em> </em><em>Ideal Gas Law</em>,

<em>n</em> = (<em>pV</em>)/(<em>RT</em>) = (8.00 kPa × 3.00 L)/(8.314 kPa·L·K^(-1)·mol^(-1) × 298.15 K)

= <em>0.009 682 mo</em>l  

Δ<em>S</em> = <em>nC</em>_Vln(<em>T</em>_2/<em>T</em>1)

= 0.0096 82 mol × 20.17 J·K^(-1)mol^(-1) ln(1073.15 K/298.15 K)

=  0.1953 J·K^(-1) × ln3.599 = 0.250 J·K^(-1)

You might be interested in
As a storm from moves in, you notice that a column of mercury in a barometer rises to 736 mm. (a) Determine the air pressure. (b
sesenic [268]

Answer:

The air pressure is 9.8 *10^4 pa

The water will rise to a height of 10.0 meter

Explanation:

Step 1: Data given

As a storm from moves in, you notice that a column of mercury in a barometer rises to 736 mm.

Step 2: Calculate the air pressure

The Pressure against the mercury column = h*d*g = 0.736 * 13593 * 9.81 = 9.8 * 10^4 Pa

Step 3: Calculate the height of the water

Let the Pressure  the water column for same pressure is h meter : -

9.8 * 10^4 = h*d*g  

=>9.8*10^4 = h*1000*9.81  

=>h = 10.0 meter

The water will rise to a height of 10.0 meter

5 0
3 years ago
How to find thr solute and solvent
olga55 [171]

the solute is the one that dissolves meaning its particles are separating into the solvent, and the solvent is the one that dissolves the other substance.

5 0
3 years ago
if the climate warmed which of the following would be caused by rising temperatures? .a. an increase in sea levels. b. an increa
Klio2033 [76]

A warming climate can cause seawater to expand and ice over land to melt, both of which can cause a rise in sea level. Storm surge on a Louisiana highway shows the effects of rising sea levels. Many people are interested in climate change and how a changing climate will affect the ocean.

5 0
3 years ago
Determina el pH del café cuya concentración de H+ es de 0.00001M
lara31 [8.8K]

Answer:

5

Explanation:

Given parameters:

Hydrogen ion concentration  =  0.00001M

Unknown:

pH of the solution =?

Solution:

The pH is used to estimate the degree of acidity or alkalinity of a solution. To solve for pH of any solution, we use the expression below;

          pH  = -log [H⁺]

[H⁺] is the hydrogen ion concentration

        pH  = -log (1 x 10⁻⁵)

      pH = -(-5) = 5

4 0
3 years ago
Why is chromatography particularly well suited to the needs of a drug analyst
Zarrin [17]

Chromatography is used in purification. Drugs analysts may use the technique to separate the active molecule in a drug molecule, for efficacy or toxicity analysis, from the other drug components.

Explanation:

Chromatography is used to separate a mixture of different components based on the size of their molecules. In liquid chromatography, the mixture is dissolved in a solvent that acts as the mobile phase and then passed along a stationary phase with different kinds of pores, As the mixture passes through the pores, their different components are separated because they take different times to pass through the stationary phase because of their different rates in passing through the pores.

In gas chromatography, a gas is used as a mobile phase while a liquid is used as the stationary phase.

Learn More:

For more on chromatography check out;

brainly.com/question/13232854

#LearnWithBrainly

6 0
2 years ago
Other questions:
  • Help with these questions plz!! 10-17
    5·1 answer
  • PLEASE HELP ME :)
    13·1 answer
  • ASAP..pls need help.....
    13·1 answer
  • Which of the following does not form a diatomic molecule?
    9·2 answers
  • CH, (g) + 20 (g) → CO(g) + 2H 0(g)
    9·1 answer
  • 10. Given the relative abundance of the following naturally occurring isotope of silver, calculate the average atomic mass of si
    7·1 answer
  • Two liquids are shaken together in a test tube to produce a uniform liquid that does not separate into layers. Which of the foll
    10·2 answers
  • What’s the answer to this question
    13·1 answer
  • At a hydroelectric power plant, potential energy is changed into kinetic energy. The kinetic energy is then transformed into ele
    11·1 answer
  • Elemnt name, atomic number, atomic mass, protons, neutrons, elsctrons 1-10
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!