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

Create the shortest poem ever in world history. This you do, your name could be on the Guiness World Records!
Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n
Fill in the gaps: .... to the legendary film director Orson Wells, music accounts .... half the work in a movie, mostly without the audience even knowing the na
who do scholars believe first wrote Beowulf
There are 6 pencils in a box. 3 of the pencils are red, 2 are blue and 1 is green. A pencil is taken out of the box without looking. What is the probability tha
Log4(6x-8)=3 Help please
What Percent Of 700 Is 385
Fill in the gaps: .... to the legendary film director Orson Wells, music accounts .... half the work in a movie, mostly without the audience even knowing the na
One of the heaviest rainfalls recorded in Greentown in a 24 hour period was 178.8 centimeters. If the rainfall was constant how many centimeters of rain fell du
simplify : 81s^2/36s^2