Question and answer
Question not found
Ask a question
Not a good answer? Get an answer now. (Free)
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
A hydrocarbon fuel of average composition of eicosene is burned in a furnace at 1atm pressure in such a way that the combustion gas analysis is 11% of CO2 AND 0.5% of CO. The air and fuel enter the furnance at 15 degree celsius and leaved at 204.4 degree celcius. Taking into account stack losses,what is the amount of heat available for transfer to the furnace per kg of fuel burned? The heat of combustion of the liquid fuel at 15 degree celcius and 1 atm is 45261.233kj/kg
Weegy: First balance the equation C3H8 + 5O2 - - - - - - - > 3CO2 + 4H2O Convert the mass of C3H8 to moles... [ [ Always work with moles moles = mass / molar mass molar mass C3H8 = (3 x 12.01) + (8 x 1.008) = 44.094 g/mol moles C3H8 = 5.53 g / 44.094 g/mol = 0.1254 moles C3H8 You need enough moles of O2 to react 0.1254 moles of C3H8, so work out how many moles of O2 are needed to react with 0.1254 moles C3H8. The balanced equation tells you that 1 mole C3H8 needs 5 moles O2 to fully react So 0.1254 moles C3H8 needs (5 x 0.1254) moles O2 = 0.6270 moles O2 required to react all the propane. You need 0.6270 moles of O2 Now use PV = nRT to determine the volume of O2 at 25 deg C and 1.04 atm that has 0.627 moles of O2 P = pressure (1.04 atm) V = volume (unknown - Litres) n = moles (0.627 mol) T = Temp, must be in Kelvin. Kelvin = deg C + 273.15 so T = 298.15 K (25 deg C = (25 + 273.15 = 298.15 K)) R = gas constant (different for different units of Pressure and volume - see link) For P in atm and Vol in Litres R = 0.0821 L atm K^-1 mol^-1 V = nRT / P V = (0.627 mol x 298.15 K x 0.0821L atm K^-1 mol^-1) / 1.04 atm V = 14.8 L (3 sig figs) ] ] (More)
Question
Expert Answered
Asked 3/27/2013 7:02:32 PM
0 Answers/Comments
What is sperm
Weegy: The term sperm is derived from the Greek word (sp??µa) sperma (meaning "seed") and refers to the male reproductive cells. (More)
Question
Expert Answered
Asked 3/27/2013 8:40:22 PM
0 Answers/Comments
Who is the richest between saheed osupa and wasiu alabi pasuma?
Weegy: wasiu alabi pasuma (More)
Question
Expert Answered
Asked 3/28/2013 12:06:22 PM
0 Answers/Comments
19,171,735 questions answered
Popular Conversations
Simplify 5t + (t - 3) - [(7t + 5) - (8 - 3t)].
Weegy: 5t + (t - 3) - [(7t + 5) - (8 - 3t)] The simplified form is -4t User: ax + by + c, 2ax - 3by + c, and by - c ...
1/26/2015 12:15:43 PM| 4 Answers
Simplify 5(R + 2) - 6
Weegy: 5(R + 2) - 6 5R + 10 - 6 5R + 4 User: Simplify 3 - (2 - 8) Weegy: (3)/(7)-(4)/(m) = (3m/7m) - (28/7m) = (3m ...
1/26/2015 7:21:10 AM| 3 Answers
If you multiply a trinomial by a monomial, what type of polynomial ...
Weegy: If you multiply two binomials together, the product will be TRINOMIAL. User: When using FOIL to multiply the ...
1/26/2015 8:55:33 AM| 3 Answers
Simplify 3x + (-12x) - 5x. -14x -9x 10x 20x
Weegy: A)-14x. 3x + (-12x) - 5 = -14x User: Simplify 3x + 3 + 2. 3x + 5 5x + 3 8x User: Simplify -12x + ...
1/26/2015 12:27:43 PM| 3 Answers
Solve. m -5= 1/32
1/26/2015 2:19:45 PM| 3 Answers
Our esteem-based needs are met by developing self-respect and ...
Weegy: Our esteem-based needs are met by developing self-respect and achieving our personal goals. This is TRUE. ...
1/26/2015 9:09:19 PM| 3 Answers
What is the product?
1/26/2015 7:44:26 AM| 2 Answers
multiply completely, then place the answers in the proper location on ...
Weegy: x=-1 and x=-1/5 for the equation 5x^2+6x=-1 User: factor the following polynomials, then place the answers in ...
1/26/2015 7:49:09 AM| 2 Answers
Is the given point interior, exterior, or on the circle (x + 2)2 + (y ...
Weegy: (x^4 + 81) (x - 3) = x^5 - 3x^4 + 81x - 243 User: Is the given point interior, exterior, or on the circle ...
1/26/2015 8:07:10 AM| 2 Answers
Weegy Stuff
S
L
Points 1751 [Total 1772]| Ratings 0| Comments 1751| Invitations 0|Offline
S
L
P
L
P
Points 1347 [Total 6624]| Ratings 0| Comments 1347| Invitations 0|Offline
S
1
L
1
L
P
P
L
P
P
Points 600 [Total 15611]| Ratings 0| Comments 600| Invitations 0|Offline
S
L
Points 438 [Total 1119]| Ratings 2| Comments 418| Invitations 0|Offline
S
1
L
L
Points 219 [Total 6919]| Ratings 0| Comments 219| Invitations 0|Offline
S
P
C
L
P
L
1
Points 90 [Total 6678]| Ratings 1| Comments 80| Invitations 0|Offline
S
Points 87 [Total 102]| Ratings 0| Comments 87| Invitations 0|Offline
S
L
Points 77 [Total 1638]| Ratings 0| Comments 77| Invitations 0|Offline
S
Points 63 [Total 445]| Ratings 0| Comments 63| Invitations 0|Offline
S
Points 50 [Total 52]| Ratings 0| Comments 0| Invitations 5|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.