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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Methane, CH4, burns in oxygen.

  1. (a) What are the products of the reaction?
  2. (b) Write the balanced equation for the reaction.
  3. (c) What mass of O2, in grams, is required for complete combustion of 25.5 g of methane?
  4. (d) What is the total mass of products expected from the combustion of 25.5 g of methane?

(a)

Interpretation Introduction

Interpretation:

The products of the reaction of methane burning in oxygen have to be written.

Explanation

Product of a chemical reaction is the produced compounds or the compounds formed after a chemical reaction.

Here the combustion of methane is carried out in the presence of oxygen. The reaction will leads to the formation of two products namely Carbondioxide

(b)

Interpretation Introduction

Interpretation:

The balanced equation for the reaction of methane burning in oxygen have to be written.

Concept Introduction:

The balanced chemical reaction equation for any reaction is written in accordance with the law of conservation of mass.

Combustion reaction of methane is carried out in the presence of oxygen. The reaction will leads to the formation of two products namely CarbondioxideCO2andwaterH2O

(c)

Interpretation Introduction

Interpretation:

The mass of oxygen required to complete the combustion of 25.5g of CH4 has to be determined.

Concept introduction:

  Numberofmole=GivenmassofthesubstanceMolarmass

  • The molar mass of an element or compound is the mass in grams of 1 mole of that substance, and it is expressed in the unit of grams per mol (g/mol).
  • For chemical reaction balanced chemical reaction equation written in accordance with the Law of conservation of mass.
  • Law of conservation of mass states that for a reaction total mass of the reactant and product must be equal.
  • Stoichiometric factor is a relationship between reactant and product which is obtained from the balanced chemical equation for a particular reaction.

(d)

Interpretation Introduction

Interpretation:

The total mass of product in the reaction has to be determined.

Concept introduction:

  Numberofmole=GivenmassofthesubstanceMolarmass

  • The molar mass of an element or compound is the mass in grams of 1 mole of that substance, and it is expressed in the unit of grams per mol (g/mol).
  • For chemical reaction balanced chemical reaction equation written in accordance with the Law of conservation of mass.
  • Law of conservation of mass states that for a reaction total mass of the reactant and product must be equal.
  • Stoichiometric factor is a relationship between reactant and product which is obtained from the balanced chemical equation for a particular reaction.

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