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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Which structure does not contain the functional group indicated?
Which structure does not contain the functional group indicated?
Which structure does not contain the functional group indicated?
 
hiba4ever   53   1 Reply
6 years ago
Which structure represents an aldehyde?
Which structure represents an aldehyde?
Which structure represents an aldehyde?
 
kailaluczynski   40   1 Reply
6 years ago
A molecule having the structural feature below is classified as a(n)
A molecule having the structural feature below is classified as a(n)
A molecule having the structural feature below is classified as a(n)
 
kimberlieeike   48   1 Reply
6 years ago
The chemical reactivity of a molecule depends mostly on its
The chemical reactivity of a molecule depends mostly on its
The chemical reactivity of a molecule depends mostly on its
  a. functional groups.
  b. molar mass.
  c. carbon skeleton.
  d. physical properties.
  e. concentration.
Gaggu   79   1 Reply
6 years ago
Which compound would exhibit the greatest water solubility?
Which compound would exhibit the greatest water solubility?
Which compound would exhibit the greatest water solubility?
  a. CH3CH2CH2CH2CH2OH
  b. CH3CH2CH2CH2OH
  c. CH3CH2CH2CH2Cl
  d. CH3CH2CH2Cl
  e. All the same
cbdancer032895   66   1 Reply
6 years ago
Which of the following is (are) water-soluble (will not form two layers when mixed with water)?
Which of the following is (are) water-soluble (will not form two layers when mixed with water)?
Which of the following is (are) water-soluble (will not form two layers when mixed with water)?
  a. CH3CH2OCH2CH3
  b. CH3CHOHCH3
  c. CH3CH2CH2CH2CH2OH
  d. b and c
  e. a, b, and c
SamSjf   46   2 Replies
6 years ago
If a solute dissolves in a solvent, then
If a solute dissolves in a solvent, then
If a solute dissolves in a solvent, then
  a. the polarity of the solute is similar to the polarity of the solvent.
  b. the mixture forms a more ordered system (so the entropy decreases).
  c. G > 0, for the process.
  d. H <
Signsnfn   80   1 Reply
6 years ago
Which compound would exhibit the highest melting point?
Which compound would exhibit the highest melting point?
Which compound would exhibit the highest melting point?
 
nathanwhite2016   51   1 Reply
6 years ago
Which structure(s) is (are) valid? d. a and b e. a, b, and c
Which structure(s) is (are) valid? d. a and b e. a, b, and c
Which structure(s) is (are) valid?
 
kailaluczynski   20   1 Reply
6 years ago
Which of the following is not a correct structure?
Which of the following is not a correct structure?
Which of the following is not a correct structure?
 
ahmedkamal   21   1 Reply
6 years ago
Which of the following represents a valid bonding situation?
Which of the following represents a valid bonding situation?
Which of the following represents a valid bonding situation?
 
myahwatsonnnnn   20   1 Reply
6 years ago
Which structures represent isomers?
Which structures represent isomers?
Which structures represent isomers?
 
bbless888   40   2 Replies
6 years ago
Which structures represent the same compound?
Which structures represent the same compound?
Which structures represent the same compound?
 
bbless888   47   1 Reply
6 years ago
Which one of these compounds is a water soluble solid?
Which one of these compounds is a water soluble solid?
Which one of these compounds is a water soluble solid?
  a. CCl4
  b. CH2Cl2
  c. CaCl2
  d. BCl3
  e. graphite
bbless888   64   1 Reply
6 years ago
Explain the direction and relative sizes of the dipole moments for NH3 ( = 1 46 . D ) and NF3 ( = 0 24 . D).
Explain the direction and relative sizes of the dipole moments for NH3 ( = 1 46 . D ) and NF3 ( = 0 24 . D).
Explain the direction and relative sizes of the dipole moments for NH3 ( = 1 46 . D ) and NF3 ( = 0 24 . D).
nhuynh0122   20   1 Reply
6 years ago
All of the NO bonds in nitrate ion (NO3) are identical. Draw structures and explain
All of the NO bonds in nitrate ion (NO3) are identical. Draw structures and explain
All of the NO bonds in nitrate ion (NO3) are identical. Draw structures and explain
joxley3   28   1 Reply
6 years ago
Draw a Lewis structure for HNO2 (an oxyacid that is not a peroxide)
Draw a Lewis structure for HNO2 (an oxyacid that is not a peroxide)
Draw a Lewis structure for HNO2 (an oxyacid that is not a peroxide)
bbless888   49   1 Reply
6 years ago
Draw a Lewis structure for hydroxylammonium ion: +NH3OH.
Draw a Lewis structure for hydroxylammonium ion: +NH3OH.
Draw a Lewis structure for hydroxylammonium ion: +NH3OH.
myahwatsonnnnn   54   1 Reply
6 years ago
Draw a valid Lewis structure for PO43 and show the formal charges on each atom. (Hint: There are no ...
Draw a valid Lewis structure for PO43 and show the formal charges on each atom. (Hint: There are no ...
Draw a valid Lewis structure for PO43 and show the formal charges on each atom. (Hint: There are no
  OO bonds.)
fjna   73   1 Reply
6 years ago
Draw a valid Lewis structure for CH2N2 and show the formal charges on each atom. (Hint: Both H atoms ...
Draw a valid Lewis structure for CH2N2 and show the formal charges on each atom. (Hint: Both H atoms ...
Draw a valid Lewis structure for CH2N2 and show the formal charges on each atom. (Hint: Both H atoms
  are connected to C, and the N atoms are connected to each other.)
kailaluczynski   65   1 Reply
6 years ago
Give the geometry for each carbon atom (left to right).
Give the geometry for each carbon atom (left to right).
Give the geometry for each carbon atom (left to right).
 
bernaljr20031   70   1 Reply
6 years ago
Which geometry of the carbon atom does not match the corresponding structure?
Which geometry of the carbon atom does not match the corresponding structure?
Which geometry of the carbon atom does not match the corresponding structure?
 
lomari   43   2 Replies
6 years ago
Which structural isomer of CH3NO is most stable?
Which structural isomer of CH3NO is most stable?
Which structural isomer of CH3NO is most stable?
 
chelseypowers   50   1 Reply
6 years ago
Which is the best Lewis structure for C2H4O?
Which is the best Lewis structure for C2H4O?
Which is the best Lewis structure for C2H4O?
 
bbless888   35   1 Reply
6 years ago
Which are resonance structures?
Which are resonance structures?
Which are resonance structures?
 
divijnanda   30   1 Reply
6 years ago
Which of the following is not an example of resonance? d. a and b e. a and c
Which of the following is not an example of resonance? d. a and b e. a and c
Which of the following is not an example of resonance?
 
Byrondavis   34   1 Reply
6 years ago
What are the formal charges of each nitrogen (from left to right)?
What are the formal charges of each nitrogen (from left to right)?
What are the formal charges of each nitrogen (from left to right)?
 
multimaan   55   1 Reply
na.ov
6 years ago
What is the formal charge of nitrogen in nitromethane?
What is the formal charge of nitrogen in nitromethane?
What is the formal charge of nitrogen in nitromethane?
 
hiba4ever   47   2 Replies
6 years ago
Which molecule is nonpolar? (Multiple Choice)
Which molecule is nonpolar? (Multiple Choice)
Which molecule is nonpolar?
  a. CH2F2
  b. CHF3
  c. BF3
  d. NH3
  e. CO
Wafflez4Reason   38   1 Reply
6 years ago
Which compound is polar (has a non zero dipole moment)?
Which compound is polar (has a non zero dipole moment)?
Which compound is polar (has a non zero dipole moment)?
 
huhs   76   1 Reply
6 years ago
Which dipole is incorrect?
Which dipole is incorrect?
Which dipole is incorrect?
 
Ftariq92   55   1 Reply
6 years ago
The reaction of the product you obtained in this experiment with methanol and triethylamine is shown ...
The reaction of the product you obtained in this experiment with methanol and triethylamine is shown ...
The reaction of the product you obtained in this experiment with methanol and triethylamine is shown in Equation PE27.5. Write a mechanism for this reaction.
myahwatsonnnnn   68   1 Reply
6 years ago
The reaction shown in Equation PE 27.4 is known as the Stobbe condensation. Propose a mechanism for ...
The reaction shown in Equation PE 27.4 is known as the Stobbe condensation. Propose a mechanism for ...
The reaction shown in Equation PE 27.4 is known as the Stobbe condensation. Propose a mechanism for the reaction, accounting for the fact that the product has one ester group and one carboxylate function.
madisoncole0416   72   1 Reply
6 years ago
Design a synthesis of the amino acid below using the Erlenmeyer-Plochl synthesis (Equations E27.5 ...
Design a synthesis of the amino acid below using the Erlenmeyer-Plochl synthesis (Equations E27.5 ...
Design a synthesis of the amino acid below using the Erlenmeyer-Plochl synthesis (Equations E27.5 and E27.6). Show the structures of all isolable intermediates.
bbless888   57   2 Replies
6 years ago
In the Perkin reaction shown in Equation E27.2, a small amount of styrene is formed. Propose a ...
In the Perkin reaction shown in Equation E27.2, a small amount of styrene is formed. Propose a ...
In the Perkin reaction shown in Equation E27.2, a small amount of styrene is formed. Propose a mechanism for the formation of this minor product. Hint: Examine the mechanism outlined in Figure E27.3 and determine if there is some point at which the a
yelizabeth   45   1 Reply
6 years ago
Explain why only non-enolizable aldehydes and ketones can be used in the Perkin reaction.
Explain why only non-enolizable aldehydes and ketones can be used in the Perkin reaction.
Explain why only non-enolizable aldehydes and ketones can be used in the Perkin reaction.
asteriskek   34   1 Reply
6 years ago
Propose a synthesis of the molecule below starting with maleic anhydride and one of the terpenes ...
Propose a synthesis of the molecule below starting with maleic anhydride and one of the terpenes ...
Propose a synthesis of the molecule below starting with maleic anhydride and one of the terpenes used in this experiment. You may use any other reagents to complete the synthesis.
collinrulez   69   1 Reply
6 years ago
Write the product of the reaction between myrcene and dimethyl acetylenedicarboxylate (Equation ...
Write the product of the reaction between myrcene and dimethyl acetylenedicarboxylate (Equation ...
Write the product of the reaction between myrcene and dimethyl acetylenedicarboxylate (Equation PE26.4). If this product is heated in the presence of palladium on carbon, a new product is formed. Propose a structure for the product. Hint: Refer to Ex
myahwatsonnnnn   21   1 Reply
6 years ago
The solvent used in this experiment is toluene. Draw one of the Diels-Alder products from the ...
The solvent used in this experiment is toluene. Draw one of the Diels-Alder products from the ...
The solvent used in this experiment is toluene. Draw one of the Diels-Alder products from the reaction of toluene with maleic anhydride. Why is this product not formed?
collinrulez   50   1 Reply
6 years ago
The anhydrides formed in this experiment are reacted with aqueous NaOH followed by acidification. ...
The anhydrides formed in this experiment are reacted with aqueous NaOH followed by acidification. ...
The anhydrides formed in this experiment are reacted with aqueous NaOH followed by acidification. Reaction with NaOCH3 followed by an acidic workup also produces a new product. Write the structure of this product(s) and explain why it would not be a
kjustice4   80   2 Replies
6 years ago
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