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

What MAD means in math?
Balance the following reaction under acidic conditions. Cr2O7 2- + Mo → CrO2 - + MoO+
Identify two times Cassie and Stacey have a disagreement. a) Over whether to go to the Wallace store and over who should do chores. b) Over whether to tell Mama
Label all stream order 1, 2, 3 and 4 stream on the diagram below
the length of AB is 20 in the figure shown. what is the length of AE?
is the established of a national bank constitutional why or why not
3. Find the area of the triangle. A =_ O O 9 in² in2 13 금 1 O 4½ in 3 38 in 23 2 in
the school cafeteria offered a choice of pizza or nachos to sixth grade students. One hundred and five students chose pizza. This represents 35% of the sixth gr
If the dominant phenotype parent of unknown genotype produces only dominant phenotype offspring in a testcross, the parent was: (answer by writing out the testc
I need help with the explanation of A and B