CHEMISTRY-TEXT
CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
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Chapter 23, Problem 23.135MP
Interpretation Introduction

(a)

Interpretation:

The empirical formula of fumaric acid in which the elemental composition is 41.4% C, 3.5 % H and 55.1 % O needs to be determined.

Concept introduction:

Empirical formula is the simplest formula of any organic or inorganic compound that represents the simple ratio of all atoms present in the molecule. It can be calculated with the help of elemental composition of molecule. Certain steps must be used to get the empirical formula:

  • Consider mass % as mass in grams and calculate moles of element with the help of molar mass
  • Calculate the moles of each element in least whole number
  • Write the number of each atom as subscript to write the empirical formula.

Interpretation Introduction

(b)

Interpretation:

The molecular weightof fumaric acidneeds to be determined.

Concept introduction:

Osmotic pressure is a colligative property that depends on the number of solute particles in the solution. It is mainly used to calculate the molecular weight of substance dissolve in certain volume of solvent. The relation between osmotic pressure and concentration can be shown as:

π = C×R×THere:π = Osmotic pressureC = Concentration (mol/L)R = Gas constant T  = Temperature 

Interpretation Introduction

(c)

Interpretation:

Thethree possible structures of fumaric acid if the empirical formula is CHO and molar mass is 116 g/mol needs to be determined.

Concept introduction:

Empirical formula is the simplest formula of any organic or inorganic compound that represents the simple ratio of all atoms present in the molecule. It can be calculated with the help of elemental composition of molecule. Certain steps must be used to get the empirical formula:

  • Consider mass % as mass in grams and calculate moles of element with the help of molar mass
  • Calculate the moles of each element in least whole number
  • Write the number of each atom as subscript to write the empirical formula.

Interpretation Introduction

(d)

Interpretation:

The correct structure of fumaric acid if it contains a trans double bond needs to be determined.

CHEMISTRY-TEXT, Chapter 23, Problem 23.135MP , additional homework tip  1

Concept introduction:

Empirical formula is the simplest formula of any organic or inorganic compound that represents the simple ratio of all atoms present in the molecule. It can be calculated with the help of elemental composition of molecule. Certain steps must be used to get the empirical formula:

  • Consider mass % as mass in grams and calculate moles of element with the help of molar mass
  • Calculate the moles of each element in least whole number
  • Write the number of each atom as subscript to write the empirical formula.

CHEMISTRY-TEXT, Chapter 23, Problem 23.135MP , additional homework tip  2

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Chapter 23 Solutions

CHEMISTRY-TEXT

Ch. 23 - Draw an orbital overlap picture for formaldehyde,...Ch. 23 - Prob. 23.12ACh. 23 - Prob. 23.13PCh. 23 - Prob. 23.14ACh. 23 - Prob. 23.15PCh. 23 - Draw complete electron-dot structures from the...Ch. 23 - Prob. 23.17PCh. 23 - Prob. 23.18ACh. 23 - Draw a simplified orbital overlap picture of...Ch. 23 - Prob. 23.20ACh. 23 - Prob. 23.21PCh. 23 - Prob. 23.22ACh. 23 - Prob. 23.23PCh. 23 - Prob. 23.24ACh. 23 - Prob. 23.25PCh. 23 - Prob. 23.26ACh. 23 - Asparagine is a naturally occurring aminoacid that...Ch. 23 - Prob. 23.28PCh. 23 - Prob. 23.29PCh. 23 - Prob. 23.30CPCh. 23 - Prob. 23.31CPCh. 23 - Prob. 23.32CPCh. 23 - Prob. 23.33CPCh. 23 - Prob. 23.34CPCh. 23 - Prob. 23.35CPCh. 23 - The following structure is a representation of...Ch. 23 - Prob. 23.37CPCh. 23 - Prob. 23.38CPCh. 23 - Prob. 23.39CPCh. 23 - Prob. 23.40SPCh. 23 - Prob. 23.41SPCh. 23 - Draw a straight-chain alkane with 6 carbon atoms...Ch. 23 - Prob. 23.43SPCh. 23 - Prob. 23.44SPCh. 23 - Prob. 23.45SPCh. 23 - The following line drawings represent two amino...Ch. 23 - Prob. 23.47SPCh. 23 - Prob. 23.48SPCh. 23 - Prob. 23.49SPCh. 23 - Prob. 23.50SPCh. 23 - Prob. 23.51SPCh. 23 - Prob. 23.52SPCh. 23 - Prob. 23.53SPCh. 23 - Prob. 23.54SPCh. 23 - Prob. 23.55SPCh. 23 - Prob. 23.56SPCh. 23 - Prob. 23.57SPCh. 23 - Prob. 23.58SPCh. 23 - Give a line drawing and molecular formula for the...Ch. 23 - Prob. 23.60SPCh. 23 - Prob. 23.61SPCh. 23 - Prob. 23.62SPCh. 23 - Prob. 23.63SPCh. 23 - Prob. 23.64SPCh. 23 - Prob. 23.65SPCh. 23 - Draw the complete electron-dot structure and...Ch. 23 - Prob. 23.67SPCh. 23 - Prob. 23.68SPCh. 23 - Prob. 23.69SPCh. 23 - Prob. 23.70SPCh. 23 - Prob. 23.71SPCh. 23 - Prob. 23.72SPCh. 23 - Prob. 23.73SPCh. 23 - Prob. 23.74SPCh. 23 - Prob. 23.75SPCh. 23 - Prob. 23.76SPCh. 23 - Prob. 23.77SPCh. 23 - Prob. 23.78SPCh. 23 - Prob. 23.79SPCh. 23 - Prob. 23.80SPCh. 23 - Prob. 23.81SPCh. 23 - Prob. 23.82SPCh. 23 - Prob. 23.83SPCh. 23 - Prob. 23.84SPCh. 23 - Prob. 23.85SPCh. 23 - Prob. 23.86SPCh. 23 - What does it mean to say that fats and oils are...Ch. 23 - Prob. 23.88SPCh. 23 - Prob. 23.89SPCh. 23 - Prob. 23.90SPCh. 23 - Prob. 23.91SPCh. 23 - Prob. 23.92SPCh. 23 - Prob. 23.93SPCh. 23 - Prob. 23.94SPCh. 23 - Prob. 23.95SPCh. 23 - Prob. 23.96SPCh. 23 - Prob. 23.97SPCh. 23 - Prob. 23.98SPCh. 23 - Prob. 23.99SPCh. 23 - Prob. 23.100SPCh. 23 - Prob. 23.101SPCh. 23 - Prob. 23.102SPCh. 23 - Prob. 23.103SPCh. 23 - Prob. 23.104SPCh. 23 - Prob. 23.105SPCh. 23 - Prob. 23.106SPCh. 23 - Prob. 23.107SPCh. 23 - Prob. 23.108SPCh. 23 - Prob. 23.109SPCh. 23 - Prob. 23.110SPCh. 23 - Prob. 23.111SPCh. 23 - Prob. 23.112SPCh. 23 - Prob. 23.113SPCh. 23 - What amino acids do the following abbreviations...Ch. 23 - Name and draw the structures of amino acids that...Ch. 23 - Identify the amino acids present in the following...Ch. 23 - Prob. 23.117SPCh. 23 - Prob. 23.118SPCh. 23 - Prob. 23.119SPCh. 23 - Prob. 23.120SPCh. 23 - Prob. 23.121SPCh. 23 - Prob. 23.122SPCh. 23 - Prob. 23.123SPCh. 23 - Prob. 23.124SPCh. 23 - Prob. 23.125SPCh. 23 - Prob. 23.126SPCh. 23 - Prob. 23.127SPCh. 23 - Prob. 23.128SPCh. 23 - Prob. 23.129SPCh. 23 - Prob. 23.130SPCh. 23 - Prob. 23.131SPCh. 23 - Prob. 23.132SPCh. 23 - Prob. 23.133SPCh. 23 - Prob. 23.134MPCh. 23 - Prob. 23.135MPCh. 23 - Cytochrome c is an important enzyme found in the...Ch. 23 - Prob. 23.137MPCh. 23 - Prob. 23.138MP
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