(a)
Interpretation:
Lithium nitrate is soluble in water or not is to be determined.
Concept introduction:
A solution is a combination of two parts: solute and solvent. A solute is the substance that is present in small quantity and solvent is the substance in which solute is dissolved. When water acts as a solvent then it is known as an aqueous solution.
A compound is soluble in water when the forces between the ions or atoms of the compound and ions of water molecules are greater than forces between the ions or atoms themselves in a compound. Ionic and polar covalent compounds are soluble in water.
In an ionic compound, the ions get separates in the water and form cations and anions. The positive end of water is attracted towards the anions and the negative end of water is attracted towards the cations. The ions get hydrated and the compound dissolves.
In polar covalent compounds, the atoms get polarized in the water molecule and become partially positive charged and partially negative charged. The positive end of water is attracted towards the partially negative charged atom and the negative end of water is attracted towards the partially positive charged. The atoms get hydrated and the compound dissolves.
In nonpolar covalent compounds, there is no electronegativity difference between the atoms so there will be no polarization of the compound. Therefore, these compounds will interact less with water and are insoluble in water.
(b)
Interpretation:
Glycine
Concept introduction:
A solution is a combination of two parts: solute and solvent. A solute is the substance that is present in small quantity and solvent is the substance in which solute is dissolved. When water acts as a solvent then it is known as an aqueous solution.
A compound is soluble in water when the forces between the ions or atoms of the compound and ions of water molecules are greater than forces between the ions or atoms themselves in a compound. Ionic and polar covalent compounds are soluble in water.
In an ionic compound, the ions get separates in the water and form cations and anions. The positive end of water is attracted towards the anions and the negative end of water is attracted towards the cations. The ions get hydrated and the compound dissolves.
In polar covalent compounds, the atoms get polarized in the water molecule and become partially positive charged and partially negative charged. The positive end of water is attracted towards the partially negative charged atom and the negative end of water is attracted towards the partially positive charged. The atoms get hydrated and the compound dissolves.
In non-polar covalent compounds, there is no electronegativity difference between the atoms so there will be no polarization of the compound. Therefore, these compounds will interact less with water and are insoluble in water.
(c)
Interpretation:
Pentane is soluble in water or not is to be determined.
Concept introduction:
A solution is a combination of two parts: solute and solvent. A solute is the substance that is present in small quantity and solvent is the substance in which solute is dissolved. When water acts as a solvent then it is known as an aqueous solution.
A compound is soluble in water when the forces between the ions or atoms of the compound and ions of water molecules are greater than forces between the ions or atoms themselves in a compound. Ionic and polar covalent compounds are soluble in water.
In an ionic compound, the ions get separates in the water and form cations and anions. The positive end of water is attracted towards the anions and the negative end of water is attracted towards the cations. The ions get hydrated and the compound dissolves.
In polar covalent compounds, the atoms get polarized in the water molecule and become partially positive charged and partially negative charged. The positive end of water is attracted towards the partially negative charged atom and the negative end of water is attracted towards the partially positive charged. The atoms get hydrated and the compound dissolves.
In non-polar covalent compounds, there is no electronegativity difference between the atoms so there will be no polarization of the compound. Therefore, these compounds will interact less with water and are insoluble in water.
(d)
Interpretation:
Ethylene glycol
Concept introduction:
A solution is a combination of two parts: solute and solvent. A solute is the substance that is present in small quantity and solvent is the substance in which solute is dissolved. When water acts as a solvent then it is known as an aqueous solution.
A compound is soluble in water when the forces between the ions or atoms of the compound and ions of water molecules are greater than forces between the ions or atoms themselves in a compound. Ionic and polar covalent compounds are soluble in water.
In an ionic compound, the ions get separates in the water and form cations and anions. The positive end of water is attracted towards the anions and the negative end of water is attracted towards the cations. The ions get hydrated and the compound dissolves.
In polar covalent compounds, the atoms get polarized in the water molecule and become partially positive charged and partially negative charged. The positive end of water is attracted towards the partially negative charged atom and the negative end of water is attracted towards the partially positive charged. The atoms get hydrated and the compound dissolves.
In non-polar covalent compounds, there is no electronegativity difference between the atoms so there will be no polarization of the compound. Therefore, these compounds will interact less with water and are insoluble in water.
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Chapter 4 Solutions
CHEMISTRY: THE MOLECULAR NATURE OF MATTE
- Provide the structure, circle or draw, of the monomeric unit found in the biological polymeric materials given below. HO OH amylose OH OH 행 3 HO cellulose OH OH OH Ho HOarrow_forwardWhat units (if any) does K have? Does K depend upon how the concentration is expressed (e.g. molarity, ppm, ppb, etc.)? in calculating the response factorarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
- Don't used Ai solution and don't used hand raitingarrow_forwardOA. For the structure shown, rank the bond lengths (labeled a, b and c) from shortest to longest. Place your answer in the box. Only the answer in the box will be graded. (2 points) H -CH3 THe b Нarrow_forwardDon't used hand raitingarrow_forward
- Quizzes - Gen Organic & Biological Che... ☆ myd21.lcc.edu + O G screenshot on mac - Google Search savings hulu youtube google disney+ HBO zlib Homework Hel...s | bartleby cell bio book Yuzu Reader: Chemistry G periodic table - Google Search b Home | bartleby 0:33:26 remaining CHEM 120 Chapter 5_Quiz 3 Page 1: 1 > 2 > 3 > 6 ¦ 5 > 4 > 7 ¦ 1 1 10 8 ¦ 9 a ¦ -- Quiz Information silicon-27 A doctor gives a patient 0.01 mC i of beta radiation. How many beta particles would the patient receive in I minute? (1 Ci = 3.7 x 10 10 d/s) Question 5 (1 point) Saved Listen 2.22 x 107 222 x 108 3.7 x 108 2.22 x 108 none of the above Question 6 (1 point) Listen The recommended dosage of 1-131 for a test is 4.2 μCi per kg of body mass. How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μСi)? 230 mCiarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
- Q3: Arrange each group of compounds from fastest SN2 reaction rate to slowest SN2 reaction rate. CI Cl H3C-Cl CI a) A B C D Br Br b) A B C Br H3C-Br Darrow_forwardQ4: Rank the relative nucleophilicity of halide ions in water solution and DMF solution, respectively. F CI Br | Q5: Determine which of the substrates will and will not react with NaSCH3 in an SN2 reaction to have a reasonable yield of product. NH2 Br Br Br .OH Brarrow_forwardClassify each molecule as optically active or inactive. Determine the configuration at each H соон Chirality center OH 애 He OH H3C Ноос H H COOH A K B.arrow_forward
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