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1) As a result of some process, the internal energy of a system is increased. According to the first law of thermodynamics, one can tell that the increase was due to orderly macroscopic work W or due to the flow of energy through disorderly microscopic means Q a. By measuring the temperature of the system before and after the process. b. By measuring the temperature of the surroundings before and after the process. c. Both (a) and (b) are correct. 2) High entropy indicates that a. There are few ways for the molecules to rearrange themselves. b. There are many ways for the molecules to rearrange themselves. c. None of the above. 3) Nonionic constituents of cytoplasm of usual mammalian cell are with pH of a. <7.2 b. -7.2 C. >7.2 4) AH = Qat a. Constant temperature b. Constant pressure c. Constant temperature and pressure 5) Some factors can denature proteins including a. Changing temperature, pH, and salt concentration of the solution b. Putting the protein into a hydrophobic solvent c. All of the above 6) 1 calorie is equal to a. 6.413 J b. 4.813 J c. 4.184 J 7) Antibodies are a. Amino acids b. Proteins c. Monosaccharides 8) The nitrogen and oxygen atom orbitals have highly directed negative charge distributions due to a. sp hybridization b. sp² hybridization c. sp³ hybridization 9) The formation of H bonds is a. An exothermic process b. An endothermic process c. None of the above 10) Dielectrophoresis is used to separate biological materials in a solution that has a. Dipoles and dipole moments b. Zero net charge components c. All of the above

1) As a result of some process, the internal energy of a system is increased. According to the first law of thermodynamics, one can tell that the increase was due to orderly macroscopic work W or due to the flow of energy through disorderly microscopic means Q a. By measuring the temperature of the system before and after the process. b. By measuring the temperature of the surroundings before and after the process. c. Both (a) and (b) are correct. 2) High entropy indicates that a. There are few ways for the molecules to rearrange themselves. b. There are many ways for the molecules to rearrange themselves. c. None of the above. 3) Nonionic constituents of cytoplasm of usual mammalian cell are with pH of a. <7.2 b. -7.2 C. >7.2 4) AH = Qat a. Constant temperature b. Constant pressure c. Constant temperature and pressure 5) Some factors can denature proteins including a. Changing temperature, pH, and salt concentration of the solution b. Putting the protein into a hydrophobic solvent c. All of the above 6) 1 calorie is equal to a. 6.413 J b. 4.813 J c. 4.184 J 7) Antibodies are a. Amino acids b. Proteins c. Monosaccharides 8) The nitrogen and oxygen atom orbitals have highly directed negative charge distributions due to a. sp hybridization b. sp² hybridization c. sp³ hybridization 9) The formation of H bonds is a. An exothermic process b. An endothermic process c. None of the above 10) Dielectrophoresis is used to separate biological materials in a solution that has a. Dipoles and dipole moments b. Zero net charge components c. All of the above

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1) As a result of some process, the internal energy of a system is increased. According to the first law of thermodynamics, one can tell that the increase was due to orderly macroscopic work W or due to the flow of energy through disorderly microscopic means Q a. By measuring the temperature of the system before and after the process. b. By measuring the temperature of the surroundings before and after the process. c. Both (a) and (b) are correct. 2) High entropy indicates that a. There are few ways for the molecules to rearrange themselves. b. There are many ways for the molecules to rearrange themselves. c. None of the above. 3) Nonionic constituents of cytoplasm of usual mammalian cell are with pH of a. <7.2 b. -7.2 C. >7.2 4) ΔΗ = Qat a. Constant temperature b. Constant pressure c. Constant temperature and pressure 5) Some factors can denature proteins including a. Changing temperature, pH, and salt concentration of the solution b. Putting the protein into a hydrophobic solvent c. All of the above 6) 1 calorie is equal to a. 6.413 J 4.813 J b. c. 4.184 J 7) Antibodies are a. Amino acids b. Proteins c. Monosaccharides 8) The nitrogen and oxygen atom orbitals have highly directed negative charge distributions due to a. sp hybridization b. sp² hybridization c. sp³ hybridization 9) The formation of H bonds is a. An exothermic process b. An endothermic process c. None of the above 10) Dielectrophoresis is used to separate biological materials in a solution that has a. Dipoles and dipole moments b. Zero net charge components c. All of the above
Transcribed Image Text:1) As a result of some process, the internal energy of a system is increased. According to the first law of thermodynamics, one can tell that the increase was due to orderly macroscopic work W or due to the flow of energy through disorderly microscopic means Q a. By measuring the temperature of the system before and after the process. b. By measuring the temperature of the surroundings before and after the process. c. Both (a) and (b) are correct. 2) High entropy indicates that a. There are few ways for the molecules to rearrange themselves. b. There are many ways for the molecules to rearrange themselves. c. None of the above. 3) Nonionic constituents of cytoplasm of usual mammalian cell are with pH of a. <7.2 b. -7.2 C. >7.2 4) ΔΗ = Qat a. Constant temperature b. Constant pressure c. Constant temperature and pressure 5) Some factors can denature proteins including a. Changing temperature, pH, and salt concentration of the solution b. Putting the protein into a hydrophobic solvent c. All of the above 6) 1 calorie is equal to a. 6.413 J 4.813 J b. c. 4.184 J 7) Antibodies are a. Amino acids b. Proteins c. Monosaccharides 8) The nitrogen and oxygen atom orbitals have highly directed negative charge distributions due to a. sp hybridization b. sp² hybridization c. sp³ hybridization 9) The formation of H bonds is a. An exothermic process b. An endothermic process c. None of the above 10) Dielectrophoresis is used to separate biological materials in a solution that has a. Dipoles and dipole moments b. Zero net charge components c. All of the above
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