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Chapter 7: Q. 7.84 (page 254)

Balance each of the following by adding coefficients, and identify the type of reaction for each

Short Answer

Expert verified

(a) The balanced chemical equation is AB+CD→AC+BDSubstitution reaction.

(b) The balanced chemical equation is A2+B→A2BAddition reaction.

Step by step solution

01

Part (a) Step 1 : Given Information

We need to balanced the reaction given in figures and also identify the type of reaction.

02

Part (a) Step 2: Explanation

We are given reaction in which two molecules react with each other and displace anion from each Other Therefore,

First reaction is Substitution reaction and chemical equation are:

AB+CD→AC+BD

03

Part (b) Step 1: Given Information

We need to balanced the reaction given in figures and also identify the type of reaction.

04

Part (b) Step 2: Explanation

In Second reaction we see that two different molecules combined with each other and formed a New compound that's why Second reaction is addition reaction and chemical equation are:

A2+4B→2AB2

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Most popular questions from this chapter

Consider the following unbalanced equation:

Al(s)+O2(g)→Al2O3(s)

  1. Write the balanced chemical equation.
  2. Identify the type of reaction.
  3. How many moles of O2are needed to react with 4.50moles of Al?
  4. How many grams of Al2O3are produced when 50.2gof Alreacts?
  5. When Alis reacted with 8.00gof O2, how many grams ofAl2O3 can form?

How many grams are in 0.150moleof each of the following? (7.3)

a.K

b. Cl2

c.Na2CO3

Identify the type of reaction for each of the following as combination, decomposition, single replacement, double replacement, or combustion: (7.5)

a. A compound breaks apart into its elements.

b. Copper and bromine form copper(II) bromide.

c. Iron(II) sulfite breaks down to iron(II) oxide and sulfur dioxide.

d. Silver ion from data-custom-editor="chemistry" AgNO3(aq.) forms a solid with bromide ion from data-custom-editor="chemistry" KBr(aq).

Ammonia and oxygen react to form nitrogen and water.

4NH3(g)+3O2(g)→2N2(g)+6H2O(g)

a. How many grams of O2are needed to react withlocalid="1653487157133" 13.6gof NH3?

b. How many grams of N2can be produced whenlocalid="1653487174328" 6.50gof O2reacts?

c. How many grams of H2Oare formed from the reaction of localid="1653487189643" 34.0gofNH3?

At a winery, glucose (C6H12O6) in grapes undergoes fermentation to produce ethanol (C2H6O) and carbon dioxide. (7.8)

localid="1652639320991" C6H12O6(aq)→2C2H6O(aq)+2CO2(g)GlucoseEthanol

Glucose in grapes ferments to produce ethanol.

a. How many grams of glucose are required to form localid="1653473342835" 124gof ethanol?

b. How many grams of ethanol would be formed from the reaction of localid="1653473362281" 0.240kgof glucose?
See all solutions

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