desteyness7547 desteyness7547
  • 01-07-2017
  • Chemistry
contestada

What mass of natural gas (ch4) must you burn to emit 272 kj of heat?

Respuesta :

CarlsenP
CarlsenP CarlsenP
  • 01-07-2017
CH4 + 2 O2 ---> CO2 + 2 H2O Q = 891,6 kJ / mol CH4

1 mol CH4 = 16 g

16 g ---- 891,6 kJ
x g ----- 272 kJ

x = 272 kJ × 16 g / 891,6 kJ = 4,88 g

You must burn 4,88 g of CH4.

:-) ;-)
Answer Link

Otras preguntas

I can't figure out the answer. J need help! 41.8 is 67% of what number
What is the function of a cells selectively permeable plasma membrane
what impact did railroads have on cities across the United States as the turn of the 20th century
Explain how organisms in lakes are related through the flow of energy.
Which line tells the reader that there is a complication? My eyes can't get enough of the trees— A sunny road runs through the mulberries, I stand in the advan
How are characteristics of imperialism and nationalism related
While sick, Fran read several books a day. Which kind of clause are the words in bold? adverb clause noun clause adjective clause
Which part of the United Nations is most is most responsible for keeping peace and solving disputes between countries
Simplify. x + (7 + 14 x )
Which of the following sentences contains a compound subject? A. My grandparents moved here from Austria. B.Their friends and relatives from Austria visit of