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

Which part of a plant has the potential to produce a lateral shoot?
What is the first step in getting help for drug abuse
What was the precursor to the Baby Boom?
What happens to a falling object when the force of air resistance equals the force of gravity? a. it shows a projectile motion b. it reaches terminal velocity
the area of a rectangular patio is represented by the expression 6x^2+13-5. the width of the patio is (3x-1) write an expression to represent the length of the
A machine produces 312 bolts in 30 minutes. At the same rate, how many minutes would it take to produce 260 bolts?
2. How many solutions does this system have? 2x + y = 3, 6x = 9 – 3y A) 1 B) None C) Infinite D) 2
What is an old Chinese belief concerned with tadpoles?
Which ordered pair is the solution to the system of equations? -3x+4y=-20 x+4y=-4 A. (8, 1) B. (−12, 2) C. (−4, −8) D. (4, −2)
Which statement describes the particles of an ideal gas? (1) The particles move in well-defined, circular paths. (2) When the particles collide, energy is lost.