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

Me Choose ] ¿Cuándo te [Choose] Ellos se [Choose] Él no se [Choose] Nos [Choose]
Which principle was adopted in the U.S. Constitution to ensure that no one branch of the federal government became too powerful? A. popular sovereignty B. Repu
22.Which among the following is not the mode of excretion in plants?(1 Point)DiffusionStores the waste in dead permanent tissueNephridia​
Give a specific example of a formal region and explain how its formal characteristics distinguish it from other formal regions.
Evaluate the extent to which the Chesapeake and New England colonies differed, and account for why the major differences in development occurred. Discuss how th
Which pair includes rocks and sediments A atmosphere B biosphere C geo sphere D hydrophere
Solve the equation 8x- 5 = 7.​
What do you think the phrase ‘stifle creativity ‘ means?
describe the motion of the a ball rolling from an inclined plane.​
A farmer has some chickens and rabbits. There are 60 eyes and 100 legs altogether. How many chickens and how many rabbits are there?