contestada

How many grams of carbon monoxide gas (CO) is needed to produce 155 kJ of heat? (Assume there is an excess of oxygen gas.)

Respuesta :

Eduard22sly

The mass of carbon monoxide, CO needed for the reaction is 15.4 g

Balanced equation

2CO + O₂ —> 2CO₂   ΔH = –566 KJ

From the balanced equation above,

566 KJ of heat was released by 2 moles of CO.

Therefore,

155 KJ of heat will be released by = (155 × 2) / 566 = 0.55 mole of CO

How to determine the mass of CO

  • Mole of CO = 0.55 mole
  • Molar mass of CO = 12 + 16 = 28 g/mol
  • Mass of CO =?

Mass = mole × molar mass

Mass of CO = 0.55 × 28

Mass of CO = 15.4 g

Learn more about stoichiometry:

https://brainly.com/question/14735801

Otras preguntas