A solution of CH3OH in H2O would most likely not be ideal, but the deviations cannot...
A solution of CH3OH in H2O would most likely
not be ideal, but the deviations cannot be predicted
show positive deviations from Raoult's law
obey Raoult's law
show negative deviations from Raoult's law
be ideal
Homework Answers
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A solution of CH3OH in H2O would most
likely
not be ideal, but the deviations cannot...
Choose the solvent in which CH3CH2CH2CH2CH3 is most likely to be soluble. A. H2O B.NH3 C.C6H14...
Choose the solvent in which CH3CH2CH2CH2CH3 is most likely to be soluble. A. H2O B.NH3 C.C6H14 D. CH3OH
Which pair of compounds below would not form a homogeneous solution? H2O/CH3OH (CH3)2CO/CH3CO2CH2CH3 H2O/CH3CH2CH2CH2CH3 CH3(CH2) 10CH3/CH3CH2)6CH3...
Which pair of compounds below would not form a homogeneous solution? H2O/CH3OH (CH3)2CO/CH3CO2CH2CH3 H2O/CH3CH2CH2CH2CH3 CH3(CH2) 10CH3/CH3CH2)6CH3 Which pair of compounds below would not form a homogeneous solution? H2O/CH3OH (CH3)2CO/CH3CO2CH2CH3 H2O/CH3CH2CH2CH2CH3 CH3(CH2) 10CH3/CH3CH2)6CH3 Phosgene, COCl2, decomposes according to the equation: COCl2(g) + CO(g) + Cl2(g). Kc for the reaction is 2.5 x 10-3 at a specified temperature. If 1.00 mol of COCI2(g) decomposes at this temperature in a 5.0-L flask, which statement is correct? The system is at equilibrium. The forward...
6. Methyl acetate (CHCOOCHs) reacts in acidic solution: CH3C00CH3 + H2O +H+→ CH3OH + CH3COOH A)...
6. Methyl acetate (CHCOOCHs) reacts in acidic solution: CH3C00CH3 + H2O +H+→ CH3OH + CH3COOH A) The rate law is FIRST order in respect to the methyl acetate (CH,COOCH3). The rate constant is 3.26 x 103 sec1. How long will it take for 40.0% orthe methyl acetate to react? B) What is the HALF LIFE of this reaction?
3. Do chloroform and acetone form an ideal solution? A. no B. cannot be determined from...
3. Do chloroform and acetone form an ideal solution?
A. no
B. cannot be determined from the information given
C. yes
4. If a chloroform-acetone mixture with an acetone mole fraction
of 0.6 is subjected to fractional distillation, what is the
composition of the distillate?
A. pure azeotrope
B. pure acetone
C. none of the choices shown
D. pure chloroform
5. The acetone-chloroform intermolecular attractions are
_________________ the acetone-acetone or chloroform-chloroform
attractions.
A. less than
B. equal to
C. greater...
When two volatile liquids, X and Y, are mixed, the solution process involves 1. breaking the...
When two volatile liquids, X and Y, are mixed, the solution process involves 1. breaking the intermolecular X--X and Y...Y attractions, and 2. forming new X...Y attractions. Complete the table describing how the relative strengths of these attractive forces affect vapor pressure and enthalpy of solution. Raoult's law deviations AH Strength of the attractive forces X X , Y..Y, and X...Y are equal X...Y is strongest X...Y is weakest Answer Bank negative positive zero
wut TRUE anu currect the statement 1. TRUE The concentration/pressure of products, raised to their respective stoic...
wut TRUE anu currect the statement 1. TRUE The concentration/pressure of products, raised to their respective stoichiometric coefficients are in the numerator of an equilibrium constant expression because they are the final product of a reaction. 2. TRUE Activity is a measure of deviations from standard conditions and ideal behavior in solutions. 3. TRUE Maxwell relations can only be used to determine expressions for entropy as a function of pressure and/or volume. 4. TRUE The Gibbs energy of an ideal...
In an ideal electrolyte solution, thermodynamic properties of electrolyte solution such as equili...
In an ideal electrolyte solution, thermodynamic properties of electrolyte solution such as equilibrium constants can be simply expressed as a function of concentrations of dissolved ions. In most cases, however, the behavior of electrolyte solutions is often far from ideal because of the ionic atmosphere, and the deviations can be corrected by introducing the concept of activity coefficient. Quatatively explain how the ionic atmosphere influences the interactions between electrolytes. Also describe and explain the relation between ionic strength of electrolyte...
When two volatile liquids (X and Y) are mixed, the solution process involves 1. breaking the intermolecular X---X and...
When two volatile liquids (X and Y) are mixed, the solution process involves 1. breaking the intermolecular X---X and Y---Y attractions, and 2. forming new X---Y attractions. Complete this table describing how the relative strengths of these attractive forces affect vapor pressure and enthalpy of solution, as zero, negative, and/or positive. Strenght of the attractive forces Raoult's law deviations ?H soln X---X, Y---Y, and X---Y are equal X---Y is strongest X---Y is weakest
In auditing accounts receivable, the “negative” form of confirmation request most likely would be used...
In auditing accounts receivable, the “negative” form of confirmation request most likely would be used when a. Accounts receivable consist of a number of accounts with large customer balances. b. Control Risk and Inherent Risk are assessed to be High. c. Recipients are likely to return positive confirmation requests without verifying the accuracy of the information. d. The auditor is not aware of circumstances or conditions that would cause recipients of negative confirmation...
Circle the situation most likely to resemble an ideal gas and indicate why: 1. Ar at...
Circle the situation most likely to resemble an ideal gas and indicate why: 1. Ar at 1.5 atm and 400 K OR H2O at 1.5 atm and 400 K 2. Ar at 100 atm and 250 K OR at 200 atm and 250 K 3.Ar at 1.5 atm and 200 K OR Ar at 1.5 atm and 300K.
Which pair of compounds below would not form a homogeneous solution? H2O/CH3OH (CH3)2CO/CH3CO2CH2CH3 H2O/CH3CH2CH2CH2CH3 CH3(CH2) 10CH3/CH3CH2)6CH3 Which pair of compounds below would not form a homogeneous solution? H2O/CH3OH (CH3)2CO/CH3CO2CH2CH3 H2O/CH3CH2CH2CH2CH3 CH3(CH2) 10CH3/CH3CH2)6CH3 Phosgene, COCl2, decomposes according to the equation: COCl2(g) + CO(g) + Cl2(g). Kc for the reaction is 2.5 x 10-3 at a specified temperature. If 1.00 mol of COCI2(g) decomposes at this temperature in a 5.0-L flask, which statement is correct? The system is at equilibrium. The forward...
6. Methyl acetate (CHCOOCHs) reacts in acidic solution: CH3C00CH3 + H2O +H+→ CH3OH + CH3COOH A) The rate law is FIRST order in respect to the methyl acetate (CH,COOCH3). The rate constant is 3.26 x 103 sec1. How long will it take for 40.0% orthe methyl acetate to react? B) What is the HALF LIFE of this reaction?
3. Do chloroform and acetone form an ideal solution?
A. no
B. cannot be determined from the information given
C. yes
4. If a chloroform-acetone mixture with an acetone mole fraction
of 0.6 is subjected to fractional distillation, what is the
composition of the distillate?
A. pure azeotrope
B. pure acetone
C. none of the choices shown
D. pure chloroform
5. The acetone-chloroform intermolecular attractions are
_________________ the acetone-acetone or chloroform-chloroform
attractions.
A. less than
B. equal to
C. greater...
When two volatile liquids, X and Y, are mixed, the solution process involves 1. breaking the intermolecular X--X and Y...Y attractions, and 2. forming new X...Y attractions. Complete the table describing how the relative strengths of these attractive forces affect vapor pressure and enthalpy of solution. Raoult's law deviations AH Strength of the attractive forces X X , Y..Y, and X...Y are equal X...Y is strongest X...Y is weakest Answer Bank negative positive zero
wut TRUE anu currect the statement 1. TRUE The concentration/pressure of products, raised to their respective stoichiometric coefficients are in the numerator of an equilibrium constant expression because they are the final product of a reaction. 2. TRUE Activity is a measure of deviations from standard conditions and ideal behavior in solutions. 3. TRUE Maxwell relations can only be used to determine expressions for entropy as a function of pressure and/or volume. 4. TRUE The Gibbs energy of an ideal...
In an ideal electrolyte solution, thermodynamic properties of electrolyte solution such as equilibrium constants can be simply expressed as a function of concentrations of dissolved ions. In most cases, however, the behavior of electrolyte solutions is often far from ideal because of the ionic atmosphere, and the deviations can be corrected by introducing the concept of activity coefficient. Quatatively explain how the ionic atmosphere influences the interactions between electrolytes. Also describe and explain the relation between ionic strength of electrolyte...
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