Homework Answers
14. the answer is option c) hydrogen bond with water
15. the answer is option b) NH3 forms hydrogen bond
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UUMIC. d) nitrogen. 14) Alcohol is soluble in water due to a) Covalent bond b) Ionic...
we: In living cells, the weakest bond between wo more som a) ionic bond b) covalent...
we: In living cells, the weakest bond between wo more som a) ionic bond b) covalent bond c) polar bond d) metallic bond hydrogen bond Dor more atoms is the 41, .Tonic bonds are formed when 2) atoms share electrons D electrons are completely transferred from one stom to another c) a pair of electrons is shared unequally by two stom d) hydrogen forms bonds with negatively charged atoms in the sun e) two or more atoms lose electrons at...
7. If an ionic bond is stronger than a dipole-dipole interaction, how can water dissolve an...
7. If an ionic bond is stronger than a dipole-dipole interaction, how can water dissolve an ionic compound? None of these The ion-dipole interactions of a bunch of water molecules gang up on the strong ionic bond and pull it into the solution. The ions never overcome their interatomic attraction and therefore are not soluble. The ionic bond is weakened by the ion-dipole interactions and ionic repulsion ejects the ions from the crystal. The ion-dipole...
AJ by oxygen Donas Bjoy nyarogen bonas ionic bonds D) by nonpolar covalent bonds Coy E)...
AJ by oxygen Donas Bjoy nyarogen bonas ionic bonds D) by nonpolar covalent bonds Coy E) by isotopes 29) Which answer below best describes H,0? A) Water molecule bonds are ionic bonds, in which electrons are gained and lost to create the bond. B) Water molecule bonds are oxygen bonds, in which oxygen atoms form bonds together. C) Water molecule bonds are polar covalent bonds, in which unequal sharing of electrons occurs. D) Water molecule bonds are nonpolar covalent bonds,...
14. Which of the following statements is false? a. Ammonia is soluble in water. b. Dipole-dipole...
14. Which of the following statements is false? a. Ammonia is soluble in water. b. Dipole-dipole intermolecular interactions occur between molecules in SO2. c. The boiling point of water is lower at higher altitudes. d. HCl is less soluble in water than in CCl4. e. Copper (II) chloride is not be expected to dissolve in C6H14.
Use the ideal gas law to calculate the volume occupied by 0.200 mol of nitrogen gas...
Use the ideal gas law to calculate the volume occupied by 0.200 mol of nitrogen gas at 1.00 atm pressure and at 27degC. (R = 0.0821 L'atm/(K"mol). 1) 224 L O2) 0.44 L 3) 0.0821L 4) 4.92 Question 10 (1 point) Refer to the list below to complete the following question(s). A. ionic bonding B. covalent bonding C. dispersion forces D. dipole-dipole forces E. hydrogen bond forces Water (H20) has a higher boiling point than methane (CHA) because water has...
2. Why do ionic substances with higher lattice energies tend to be less soluble in water...
2. Why do ionic substances with higher lattice energies tend to be less soluble in water than substances with lower lattice energies? 3. Which would you expect to have the larger hydration energy, SO or CIOA? Explain. 4. Ethyl alcohol, CH CH2OH, is miscible with water at 20°C, but pentyl alcohol, CH3CH2CH2CH2CH2OH, is soluble in water only to the extent of 2.7 g/100 ml. Explain.
Which two statements about propene and ethanol are true? Н Н Н, Н—С —С—ОН Н H...
Which two statements about propene and ethanol are true? Н Н Н, Н—С —С—ОН Н H Н Н ethanol propene Ethanol has a lower vapor pressure than propene at a given temperature. and ethanol have London forces and dipole-dipole forces. Both propene Propene has a higher boiling point than ethanol due to its double bond Ethanol forms hydrogen bonds, whereas propene has dipole-dipole interactions Of the two compounds, only ethanol forms hydrogen bonds. о
SOLUTIONS 22. Non-polar compounds are soluble in ionic compounds b) electrolytes c) polar solvents d) non-polar...
SOLUTIONS 22. Non-polar compounds are soluble in ionic compounds b) electrolytes c) polar solvents d) non-polar solvents 23. Which of the following would increase the solubility of gaseous O2 in water? (there is more than correct answer, mark them all!) Decreasing the temperature of the solution Increasing the temperature of the solution Decreasing the pressure of the solution Increasing the pressure of the solution 24. Which of the following describes an unsaturated solution? A solution that has less than the...
3) The temperature of evaporation is much higher for water than for alcohol. Without knowing more...
3) The temperature of evaporation is much higher for water than for alcohol. Without knowing more about the chemistry of alcohol, which of the following is the most logical chemical explanation for this phenomenon A) Fewer hydrogen bonds form between alcohol molecules. As a result, less heat is needed for alcohol molecules to break away from solution and enter the air. B) Alcohol has a higher surface tension than water. This means that alcohol molecules can easily break away from...
A covalent bond is a bond in which electrons are shared between atoms of elements
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
we: In living cells, the weakest bond between wo more som a) ionic bond b) covalent bond c) polar bond d) metallic bond hydrogen bond Dor more atoms is the 41, .Tonic bonds are formed when 2) atoms share electrons D electrons are completely transferred from one stom to another c) a pair of electrons is shared unequally by two stom d) hydrogen forms bonds with negatively charged atoms in the sun e) two or more atoms lose electrons at...
AJ by oxygen Donas Bjoy nyarogen bonas ionic bonds D) by nonpolar covalent bonds Coy E) by isotopes 29) Which answer below best describes H,0? A) Water molecule bonds are ionic bonds, in which electrons are gained and lost to create the bond. B) Water molecule bonds are oxygen bonds, in which oxygen atoms form bonds together. C) Water molecule bonds are polar covalent bonds, in which unequal sharing of electrons occurs. D) Water molecule bonds are nonpolar covalent bonds,...
14. Which of the following statements is false? a. Ammonia is soluble in water. b. Dipole-dipole intermolecular interactions occur between molecules in SO2. c. The boiling point of water is lower at higher altitudes. d. HCl is less soluble in water than in CCl4. e. Copper (II) chloride is not be expected to dissolve in C6H14.
Use the ideal gas law to calculate the volume occupied by 0.200 mol of nitrogen gas at 1.00 atm pressure and at 27degC. (R = 0.0821 L'atm/(K"mol). 1) 224 L O2) 0.44 L 3) 0.0821L 4) 4.92 Question 10 (1 point) Refer to the list below to complete the following question(s). A. ionic bonding B. covalent bonding C. dispersion forces D. dipole-dipole forces E. hydrogen bond forces Water (H20) has a higher boiling point than methane (CHA) because water has...
2. Why do ionic substances with higher lattice energies tend to be less soluble in water than substances with lower lattice energies? 3. Which would you expect to have the larger hydration energy, SO or CIOA? Explain. 4. Ethyl alcohol, CH CH2OH, is miscible with water at 20°C, but pentyl alcohol, CH3CH2CH2CH2CH2OH, is soluble in water only to the extent of 2.7 g/100 ml. Explain.
Which two statements about propene and ethanol are true? Н Н Н, Н—С —С—ОН Н H Н Н ethanol propene Ethanol has a lower vapor pressure than propene at a given temperature. and ethanol have London forces and dipole-dipole forces. Both propene Propene has a higher boiling point than ethanol due to its double bond Ethanol forms hydrogen bonds, whereas propene has dipole-dipole interactions Of the two compounds, only ethanol forms hydrogen bonds. о
SOLUTIONS 22. Non-polar compounds are soluble in ionic compounds b) electrolytes c) polar solvents d) non-polar solvents 23. Which of the following would increase the solubility of gaseous O2 in water? (there is more than correct answer, mark them all!) Decreasing the temperature of the solution Increasing the temperature of the solution Decreasing the pressure of the solution Increasing the pressure of the solution 24. Which of the following describes an unsaturated solution? A solution that has less than the...
3) The temperature of evaporation is much higher for water than for alcohol. Without knowing more about the chemistry of alcohol, which of the following is the most logical chemical explanation for this phenomenon A) Fewer hydrogen bonds form between alcohol molecules. As a result, less heat is needed for alcohol molecules to break away from solution and enter the air. B) Alcohol has a higher surface tension than water. This means that alcohol molecules can easily break away from...
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
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