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

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

find the unit rate :)

Is A collection of tasty fruits set?

YOU GUYS PLEASE IM BEGGING PLS HELP! A fire moves through a grassland ecosystem. What would be the resulting event?

The 2s in 202 how many times greater

1) The perimeter of a rectangular citrus grove is 2400 feet. If the width is 800 feet, how long is the citrus grove? 2 Step 1: Understand the problem: List some

The diagonal braces in a fire tower are 20ft long and span a horizontal distance of 12ft. How high does each brace reach vertically?

The emission of electrons from a metallic surface depends on the intensity of the incident radiation. Please select the best answer from the choices provided A.

(3x-63)= (2x+2) What is x?

The sum of 9 times a number and 2 is equal to 3 .

Convert 625 mg to kg.