ToonGamesToo
05.09.2020 •
Chemistry
The combustion of what volume of ethane (C2H6), measured at 23.0°C and 752 mmHg, would be required to heat 855 g of water from 25.02°C to 98.02°C?
Solved
Show answers
More tips
- L Leisure and Entertainment What Movies You Should Watch: A Guideline to Make the Right Decision...
- F Family and Home How to Choose a Baby Stroller: Tips from Experienced Parents...
- H Health and Medicine 5 Simple Steps to Quit Smoking for Good...
- C Computers and Internet How to Download Videos from YouTube? Simple Steps to Download Any Content...
- H Health and Medicine What is the Normal Blood Sugar Level in a Healthy Person?...
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- C Computers and Internet How to Delete Your Account on Odnoklassniki...
- H Health and Medicine 10 Simple and Effective Tips on How to Lose Weight in a Week...
- F Food and Cooking What s the Best Rice for Cooking Plov?...
Answers on questions: Chemistry
- C Chemistry Why are the electrons in metallic bonding referred to as “ delocalized”?...
- C Chemistry Explain how interactions among the geosphere atmosphere and hydrosphere affect weather and climate...
- C Chemistry What happens when a solid becomes a liquid? a) it changes shape and volume b) it changes volume but not shape c) neither volume nor shape changes d) it changes shape...
- C Chemistry What’s the molar mass of fentanyl to the hundredths place...
- C Chemistry Compounds a and b react to form compounds c and d according to the equation: aa + bb → cc + dd. under which conditions will the rate law be given by the equation:...
- C Chemistry Hydrogen has three isotopes 1h, 2h, and 3h. what is the difference between these three isotopes?...
- C Chemistry How scientists conduct science?...
- C Chemistry Provide an orbital energy level diagram for the geound state of a nitrogen atom....
- C Chemistry The process by which water, ice, wind and gravity remove and transport sediment from one place to another A. Chemical weathering B. Deposition C. Physical weathering...
- S Spanish Which verb form best completes this command that a professor says to her class? Para la semana que viene, un ensayo sobre la contaminación medio ambiental. A. escriban...
Ответ:
4.11L
Explanation:
To heat the mass of water from 25.02°C to 98.02°C we need:
Q = C*m*ΔT
Where Q is heat, C is specific heat of water (4.184J/mol°C), m is mass of water (855g) and ΔT is change in temperature (98.02°C - 25.02°C = 73°C)
Q = C*m*ΔT
Q = 4.184J/mol°C*855g*73°C
Q = 261144J = 261.14kJ
In the combustion of 1 mole of ethane there are released 1560kJ/mol.
To release 261.14kJ there are necessaries:
261.14kJ * (1mol / 1560kJ) = 0.1674 moles
Using PV = nRT
We can find the volume that 0.1674 moles of ethane at 23.0°C and 752mmHg occupy.
Temperature: 273.15 + 23°C = 296.15K
Pressure: 752mmHg * (1atm / 760mmHg) = 0.9895atm
V = nRT / P
V = 0.1674mol*0.082atmL/molK * 296.15K / 0.9895atm
V = 4.11L
Ответ:
I hope that the link above will be helpful