Chemistry In Context
9th Edition
ISBN: 9781259638145
Author: Fahlman, Bradley D., Purvis-roberts, Kathleen, Kirk, John S., Bentley, Anne K., Daubenmire, Patrick L., ELLIS, Jamie P., Mury, Michael T., American Chemical Society
Publisher: Mcgraw-hill Education,
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Question
Chapter 12.6, Problem 12.18YT
(a)
Interpretation Introduction
Interpretation:
Balanced equation for the chemical combustion of glucose has to be written.
Concept Introduction:
Chemical equation is the representation of a chemical reaction, in which the reactants and products of the reactions are represented left and right side of an arrow respectively by using their respective chemical formulas.
Balanced chemical equation of a reaction is written according to law of conservation of mass.
Combustion is the process of burning of a compound; in which the compound reacts with excess of oxygen.
(b)
Interpretation Introduction
Interpretation:
Amount of oxygen required to completely combust 10 grams of glucose has to be determined.
Concept Introduction:
Combustion is the process of burning of a compound; in which the compound reacts with excess of oxygen.
From its given mass is,
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Students have asked these similar questions
Practice Exercise 2In the following diagram, the white spheres represent hydrogenatoms, the black spheres carbon atoms, and the redspheres oxygen atoms.In this reaction, there are two reactants, ethylene, C2H4,which is shown, and oxygen, O2, which is not shown, andtwo products, CO2 and H2O, both of which are shown.(a) Write a balanced chemical equation for the reaction.(b) Determine the number of O2 molecules that should beshown in the left (reactants) box.
Worked example 3
Determine the mass of oxygen (0,) consumed in the reaction from Worked
example 2 on page 205.
Step 1 Write a balanced
equation
2H,(g) + 0,(g) → 2H,0(g)
Step 2 Write down the 2 moles + 1 mole - 2 moles
mole'ratio for
the equation
Step 3 Calculate molar M (O,) = [(2 x 16)] = 32 g.mol
M„(H,) = [(1 x 2)] = 2 g.mol
m(H,) is 8,00 g, so number of moles of H, is:
masses
Step 4 Calculate
number of
moles
8,00 g
= 2 g.mol-
= 4 moles
Step 5 Write down the 2 moles H, reacts with 1 mole O,, therefore:
moles in the
moles H, reacts with 2 moles O,
reaction
Mass of O, consumed:
m =n x M
= 2,00 mol x 32 g.mol-
= 64 g
64 g of oxygen is consumed.
Step 6 Determine the
mass of the
product(s)
Step 7 Conclusion
Activity 1
Perform stoichiometric calculations
In the following chemical reaction: 2H,(g) + O,(g) → 2H,O(g)
1.1 How many moles of H,0 will be produced from 6 moles of O,?
1.2 How many moles of H, will'react with 40 g of 0,?
1.3 How many grams of H,O will be produced by 18 g of H,?
Zinc…
PRACTICE EXERCISE
Balance these equations by providing the missing coefficients:
(a) – Fe(s) + – 0;(g) –→ – Fe,O3(s)
(b) – C¿H¼(g) + _0;(g) → – CO2(g) + – H;O(g)
(c) – Al(s) + _HCl(aq) → – AlCl3(aq) + _H;(g)
-
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Chapter 12 Solutions
Chemistry In Context
Ch. 12.1 - Skill Building Finding Equilibrium Glucose and...Ch. 12.1 - Prob. 12.3YTCh. 12.1 - Prob. 12.4YTCh. 12.2 - Prob. 12.5YTCh. 12.2 - Prob. 12.6YTCh. 12.2 - A practicing scientist must Judge a potential...Ch. 12.3 - Prob. 12.8YTCh. 12.3 - Skill Building Checking on Carbon a. Examine the...Ch. 12.3 - Prob. 12.10YTCh. 12.3 - Prob. 12.11YT
Ch. 12.3 - Prob. 12.12YTCh. 12.4 - Prob. 12.13YTCh. 12.4 - Skill Building Functional Groups in Dopamine Draw...Ch. 12.4 - Prob. 12.15YTCh. 12.5 - Prob. 12.16YTCh. 12.5 - Prob. 12.17YTCh. 12.6 - Prob. 12.18YTCh. 12.6 - Prob. 12.19YTCh. 12.6 - The structures of proteins, such as the ones shown...Ch. 12.7 - Reconsider your work in past chapters. List three...Ch. 12.7 - Prob. 12.22YTCh. 12.7 - Prob. 12.23YTCh. 12.8 - Prob. 12.24YTCh. 12.8 - Prob. 12.25YTCh. 12.9 - Skill Building Ester Formation Draw structural...Ch. 12.9 - Prob. 12.27YTCh. 12.9 - You Decide Supersize My Aspirin A friend who...Ch. 12.9 - Modern methods of drug discovery involve...Ch. 12.10 - Make two lists of drugs for each of the two...Ch. 12.10 - See for yourself the shapes of drug molecules by...Ch. 12.10 - Prob. 12.33YTCh. 12.10 - Prob. 12.34YTCh. 12 - Scientific Practices Follow the Hormone Using the...Ch. 12 - The field of chemistry has many sub-disciplines....Ch. 12 - Prob. 2QCh. 12 - Prob. 4QCh. 12 - Nitrous acid (HNO2) has a Ka value of 4.0 10 4,...Ch. 12 - Use the Henderson-Hasselbalch equation and Table...Ch. 12 - Write the structural formula and line-angle...Ch. 12 - Prob. 8QCh. 12 - Prob. 9QCh. 12 - Prob. 10QCh. 12 - Prob. 11QCh. 12 - Prob. 12QCh. 12 - Estradiol is relatively insoluble in water but...Ch. 12 - Prob. 14QCh. 12 - Prob. 15QCh. 12 - Prob. 16QCh. 12 - Define and relate the two terms: hormone and...Ch. 12 - Refer to Figure 11.17. Select two examples of...Ch. 12 - Prob. 19QCh. 12 - Molecules as diverse as cholesterol, sex hormones,...Ch. 12 - Prob. 21QCh. 12 - Prob. 22QCh. 12 - Prob. 23QCh. 12 - Sulfanilamide is the simplest sulfa drug, a type...Ch. 12 - Explain why an equilibrium constant cannot tell...Ch. 12 - Use the information in Table 12.1 to redraw Figure...Ch. 12 - Draw structural formulas for each of these...Ch. 12 - In Your Turn 12.12, you were asked to draw...Ch. 12 - Prob. 29QCh. 12 - Prob. 30QCh. 12 - Prob. 31QCh. 12 - Prob. 32QCh. 12 - Prob. 34QCh. 12 - Prob. 35QCh. 12 - Prob. 36QCh. 12 - Prob. 37QCh. 12 - Prob. 38QCh. 12 - The text states that some racemic mixtures contain...Ch. 12 - Prob. 40QCh. 12 - Prob. 41QCh. 12 - Prob. 44QCh. 12 - Prob. 47QCh. 12 - Prob. 49QCh. 12 - Dorothy Crowfoot Hodgkin first determined the...Ch. 12 - Prob. 52Q
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