Correct Answer:
The equilibrium constant for the solubility equilibrium of a slightly soluble (or nearly insoluble) ionic compound
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2. What is the equilibrium constant for the solubility equilibrium of a slightly soluble (or nearly insoluble) ionic compound?
Answer
Correct Answer:
Solubility product constant (Ksp)
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3. What is solubility?
Answer
Correct Answer:
The amount of a substance that dissolves in a given quantity of solvent to give a saturated solution.
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4. What is a solid characterized by?
Answer
Correct Answer:
Rigidity
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5. What is Sol?
Answer
Correct Answer:
A colloid that consists of solid particles dispersed in a liquid.
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6. What is a single bond?
Answer
Correct Answer:
A covalent bond in which a single pair of electrons is shared by two atoms.
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7. What is a simple cubic unit cell?
Answer
Correct Answer:
A cubic unit cell in which lattice points are situated only at the corners of the unit cell
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8. What is the main element in silicone?
Answer
Correct Answer:
Silicon
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9. What is Silicate?
Answer
Correct Answer:
A compound of silicon and oxygen
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10. What is the name of the solid SiO2?
Answer
Correct Answer:
Silica
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11. What is the chemical formula for Silica?
Answer
Correct Answer:
SiO2
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12. What is the final digit in a measured number having some uncertainty called?
Answer
Correct Answer:
Significant figures
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13. What are significant figures?
Answer
Correct Answer:
Those digits in a measured number that include all certain digits plus a final digit having some uncertainty
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14. What is the shape of a Sigma (s) bond?
Answer
Correct Answer:
Cylindrical
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15. What is the meaning of SI prefix?
Answer
Correct Answer:
A prefix used in the International System to indicate a power of 10
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16. SI prefix is a prefix used to indicate what?
Answer
Correct Answer:
A power of 10
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17. What does SI stand for?
Answer
Correct Answer:
Système International d'Unités
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18. For which particles does the shell model of the nucleus provide a description?
Answer
Correct Answer:
Protons and neutrons
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19. What is self-ionization?
Answer
Correct Answer:
A reaction in which two like molecules react to give ions
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20. Seesaw geometry is a type of _______
Answer
Correct Answer:
Molecular Geometry
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21. What is the second law of thermodynamics?
Answer
Correct Answer:
The total entropy of a system and its surroundings always increases for a spontaneous process.
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22. What does a scintillation counter do?
Answer
Correct Answer:
It detects nuclear radiations from flashes of light generated in a material by the radiation
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23. What is a scintillation counter?
Answer
Correct Answer:
A device that detects nuclear radiations from flashes of light generated in a material by the radiation
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24. What is the form of scientific notation?
Answer
Correct Answer:
A x 10n
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25. What is the general process of advancing scientific knowledge through observation, the framing of laws, hypotheses, or theories, and the conducting of more experiments?
Answer
Correct Answer:
Scientific method
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26. The scientific method is a process for _____.
Answer
Correct Answer:
Advancing scientific knowledge
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27. What is a saturated solution?
Answer
Correct Answer:
A solution that is in equilibrium with respect to a given dissolved substance
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28. What is a saturated hydrocarbon?
Answer
Correct Answer:
A hydrocarbon that has only single bonds between carbon atoms
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29. What is the purpose of a salt bridge in a voltaic cell?
Answer
Correct Answer:
To allow the flow of ions
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30. What does a salt bridge do in a voltaic cell?
Answer
Correct Answer:
It allows the flow of ions but prevents the mixing of the different solutions
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31. What is salt?
Answer
Correct Answer:
A product of a neutralization reaction
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32. What does the unit 'rem' equal to?
Answer
Correct Answer:
Rems = rads x RBE
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33. What is the unit of radiation dosage that equals the rad times a factor for the type of radiation?
Answer
Correct Answer:
Rem
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34. What is the decrease of oxidation number of an atom called?
Answer
Correct Answer:
Reduction
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35. What is a reducing agent?
Answer
Correct Answer:
A species that reduces another species
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36. What is the unit of measurement for the reaction rate?
Answer
Correct Answer:
Molar concentration
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37. What is the expression for reaction quotient?
Answer
Correct Answer:
Qc = [ products ] / [ reactants ]
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38. What is the correct form of the Reaction Quotient expression?
Answer
Correct Answer:
Qc = [products]/[reactants]
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39. What is the reaction order of the exponent of the concentration of a given reactant species in the rate law?
Answer
Correct Answer:
As determined experimentally
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40. What is the reaction order with respect to the concentration of a given reactant species?
Answer
Correct Answer:
The exponent of the concentration of a given reactant species in the rate law, as determined experimentally.
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41. What is a reaction mechanism?
Answer
Correct Answer:
The set of elementary reactions whose overall effect is given by the net chemical equation
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42. What is the net effect of a reaction mechanism?
Answer
Correct Answer:
Overall effect is given by the net chemical equation
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43. What is a reactant?
Answer
Correct Answer:
A starting substance in a chemical reaction.
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44. What is the rate-determining step?
Answer
Correct Answer:
The slowest step in a reaction mechanism
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45. What does RDS stand for?
Answer
Correct Answer:
Rate-determining step
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46. What is a rate law?
Answer
Correct Answer:
An equation relating the rate of a reaction to the concentrations of reactants.
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47. What is the rate constant?
Answer
Correct Answer:
Proportionality constant in the relationship between rate and concentrations
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48. What is the value of PA when XA = 0.5?
Answer
Correct Answer:
P°AXA/2
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49. What is radioactivity?
Answer
Correct Answer:
Spontaneous radiation from unstable elements
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50. What is the purpose of a radioactive tracer?
Answer
Correct Answer:
To facilitate study of a chemical, biological, or physical system
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51. What is the end product of a radioactive decay series?
Answer
Correct Answer:
A stable, non-radioactive nucleus
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52. What is the radioactive decay constant?
Answer
Correct Answer:
The rate constant for radioactive decay
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53. What is the process in which a nucleus spontaneously disintegrates, giving off radiation?
Answer
Correct Answer:
Radioactive Decay
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54. How much energy does 1 x 10-2 J of radiation deposit per kilogram of tissue?
Answer
Correct Answer:
Rad the dosage of radiation that deposits 1 x 10-2 J of energy per kilogram of tissue
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55. What is a racemic mixture?
Answer
Correct Answer:
A mixture of equal amounts of optical isomers
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56. What is the branch of physics that mathematically describes the wave properties of submicroscopic particles?
Answer
Correct Answer:
Quantum (wave) mechanics
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57. What is quantitative analysis?
Answer
Correct Answer:
The determination of the amount of a substance or species present in a material
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58. Quantitative analysis is the determination of what in a material?
Answer
Correct Answer:
The amount of a substance or species present
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59. What is qualitative analysis?
Answer
Correct Answer:
The determination of the identity of substances present in a mixture
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60. What is a polyatomic ion?
Answer
Correct Answer:
An ion consisting of two or more atoms chemically bonded together and carrying a net electric charge
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61. What is polyamide a polymer formed by?
Answer
Correct Answer:
Reacting a substance containing two amine groups with a substance containing two carboxylic acid groups
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62. What is a polar covalent bond?
Answer
Correct Answer:
A covalent bond in which the bonding electrons spend more time near one atom than near the other
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63. What is Plasma?
Answer
Correct Answer:
Electrically neutral gas of ions and electrons
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64. What is the value of Planck's constant?
Answer
Correct Answer:
6.63 x 10-34 J·s
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65. What is a Pi (p) bond?
Answer
Correct Answer:
A bond that has an electron distribution above and below the bond axis
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66. What is the name of the bond that has an electron distribution above and below the bond axis?
Answer
Correct Answer:
Pi Bond
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67. What is a physical property?
Answer
Correct Answer:
A characteristic that can be observed for a material without changing its chemical identity
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68. What is a physical change?
Answer
Correct Answer:
A change in the form of matter but not in its chemical identity
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69. What is physical adsorption?
Answer
Correct Answer:
Adsorption in which the attraction is provided by weak intermolecular forces.
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70. What is the proportionality constant in the equation for photon energy?
Answer
Correct Answer:
H
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71. What is the unit of Planck's constant?
Answer
Correct Answer:
Joule-seconds
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72. What is the Photoelectric effect?
Answer
Correct Answer:
The ejection of electrons from the surface of a metal or other material when light shines on it.
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73. What is a phospholipid bilayer?
Answer
Correct Answer:
A part of a biological membrane consisting of two layers of phospholipid molecules
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74. What is the difference between Phospholipid and Micelles?
Answer
Correct Answer:
Phospholipid has a phosphate group whereas Micelles does not.
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75. Which of the following is true about phospholipids?
Answer
Correct Answer:
They have hydrophobic and hydrophilic ends.
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76. What is a phase diagram?
Answer
Correct Answer:
A graphical way to summarize the conditions under which the different states of a substance are stable.
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77. What is the first phase of homogeneous material present in the portion of matter under study?
Answer
Correct Answer:
Phase One
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78. What is Phase one?
Answer
Correct Answer:
A homogeneous material present in the portion of matter under study
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79. What is Peroxide?
Answer
Correct Answer:
A compound with oxygen in the -1 oxidation state
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80. What is the oxidation state of oxygen in peroxide?
Answer
Correct Answer:
-1
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81. In what form is the periodic table?
Answer
Correct Answer:
Tabular
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82. In what form is the periodic table arranged?
Answer
Correct Answer:
Rows and columns
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83. What is the periodic law?
Answer
Correct Answer:
The physical and chemical properties of elements vary periodically when they are arranged by atomic number.
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84. What is a period in the periodic table?
Answer
Correct Answer:
The elements in any one horizontal row of the periodic table
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85. What is the percentage yield?
Answer
Correct Answer:
The actual yield (experimentally determined) expressed as a percentage of the theoretical yield (calculated)
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86. What is the term for the mass percentages of each element in a compound?
Answer
Correct Answer:
Percentage composition
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87. What does percentage composition tell us?
Answer
Correct Answer:
The mass percentages of each element in a compound
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88. Which type of bond is Peptide (amide) bond?
Answer
Correct Answer:
C-N bond
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89. How many electrons can an orbital hold?
Answer
Correct Answer:
Two
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90. What is the Pauli exclusion principle?
Answer
Correct Answer:
No two electrons in an atom can have the same four quantum numbers.
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91. What is a particle accelerator?
Answer
Correct Answer:
A device used to accelerate electrons, protons, and alpha particles and other ions to very high speeds
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92. What is partial pressure?
Answer
Correct Answer:
The pressure exerted by a particular gas in a mixture
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93. What is a paramagnetic substance?
Answer
Correct Answer:
A substance that is weakly attracted by a magnetic field
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94. What is the term for the energy required to put two electrons into the same orbital?
Answer
Correct Answer:
Pairing energy
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95. What is Oxoacid?
Answer
Correct Answer:
A substance in which O atoms are bonded to a central atom
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96. What is an acid containing hydrogen, oxygen, and another element called?
Answer
Correct Answer:
Oxoacid
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97. What is an oxidizing agent?
Answer
Correct Answer:
A species that oxidizes another species
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98. What is the oxidation state of oxygen in oxide?
Answer
Correct Answer:
-2
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99. What is a redox reaction?
Answer
Correct Answer:
A reaction in which electrons are transferred between species or in which atoms change oxidation number
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100. What is the oxidation potential?
Answer
Correct Answer:
The negative of the standard electrode potential
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