CHEM-112 Week 1-10
Q1. Basic component that makes up any kind of material:
Answer: atom
Q2. This basically makes up any kind of material:
Answer: atom
Q3. Anything that occupies space and has mass:
Answer: matter
Q4. General term for any body that has mass and occupies space:
Answer: matter
Q5. General term referring to anything that occupies space and has mass:
Answer: matter
Q6. Study of materials and its components:
Answer: Chemistry
Q7. General term for anything with mass and has volume:
Answer: matter
Q8. Quantities standardized for scientific use:
Answer: SI
Q9. Smallest building block of any material:
Answer: atom
Q10. Branch of chemistry dealing with compounds containing carbon:
Answer: organic
Q11. Path of an electron around the nucleus of an atom:
Answer: orbit
Q12. Most basic building block of any substance:
Answer: atom
Q13. Quantity with a square unit:
Answer: SI
Q14. Base that forms hydroxide ions when mixed with water:
Answer: weak
Q15. Path followed by an electron around the nucleus of an atom:
Answer: orbit
Q16. The path of an electron around the nucleus of an atom:
Answer: orbit
Q17. Science dealing with the chemical composition and processes of the Earth and other planets:
Answer: geochemistry
Q18. Reaction where a complex reactant is broken down into a simpler product:
Answer: decomposition
Q19. Reaction involved when a complex reactant is simplified:
Answer: decomposition
Q20. Science dealing with the composition of processes involving the Earth and other planets:
Answer: geochemistry
Q21. Quantity that refers to the space occupied by a body:
Answer: volume
Q22. Quantity referring to the space occupied by a body:
Answer: volume
Q23. Gas law involving constant pressure:
Answer: Charles's Law
Q24. Product of the combination of atoms during chemical reactions:
Answer: molecule
Q25. Results from the combination of atoms during chemical reactions:
Answer: molecule
Q26. Substance that results from the combination of atoms during chemical reactions:
Answer: molecule
Q27. Term used to refer to a charged atom:
Answer: ion
Q28. Percentage of hydrogen in one molecule of water:
Answer: 11.19
Q29. Percentage of hydrogen in one molecule of water:
Answer: 11.19
Q30. Grams of water produced from the oxidation of 209 g of methanol:
Answer: 235
Q31. Molar mass (in grams) of ethanol:
Answer: 46.07
Q32. Grams of water produced from burning 209 g of methanol:
Answer: 235
Q33. Chemical reaction characterized by the union of reactants:
Answer: synthesis
Q34. Chemical reaction characterized by the union of reactants:
Answer: synthesis
Q35. Molar mass (in grams) of sodium hypochlorite:
Answer: 74.44
Q36. Molar mass (in grams) of sodium hypochlorite:
Answer: 74.44
Q37. Grams of carbon monoxide produced from burning 1200 g of carbon:
Answer: 2800
Q38. Grams of carbon monoxide produced from burning 1200 g of carbon:
Answer: 2800
Q39. Grams of Al₂O₃ formed when 124 g of Al reacts with 601 g of Fe₂O₃:
Answer: 234
Q40. Number of molecules in 3 moles of calcium tetrachloride:
Answer: 1.8066 x 10²⁴
Q41. Percentage of nitrogen in one molecule of ammonia:
Answer: 82.24
Q42. Percentage of nitrogen in one molecule of ammonia:
Answer: 82.24
Q43. Molar mass (in grams) of ethanol:
Answer: 46.07
Q44. Percentage of carbon in one molecule of ethane:
Answer: 79.89
Q45. Percentage of carbon in one molecule of ethane:
Answer: 79.89
Q46. Percentage of oxygen in one molecule of potassium hydroxide:
Answer: 28.52
Q47. Molecular mass (in grams) of hydrochloric acid:
Answer: 36.46
Q48. Mass (in grams) of one mole of hydrochloric acid:
Answer: 36.46
Q49. Molar mass (in grams) of hydrochloric acid:
Answer: 36.46
Q50. Molar mass (in grams) of sodium hypochlorite:
Answer: 74.44
Q51. Number of molecules in 8 moles of benzoic acid:
Answer: 4.8176 x 10²⁴
Q52. Mass (in grams) of Al₂O₃ formed from the reaction of 124 g Al with 601 g Fe₂O₃:
Answer: 234
Q53. Percentage of sulfur in one molecule of sodium sulfate:
Answer: 22.57
Q54. Percentage of sulfur in one molecule of sodium sulfate:
Answer: 22.57
Q55. Percentage of sulfur in one molecule of sodium sulfate:
Answer: 22.57
Q56. Number of molecules in 0.75 moles of sodium chloride:
Answer: 4.5165 x 10²³
Q57. A 0.75 mole of sodium chloride has ___ x 10²³ formula units:
Answer: 4.5165
Q58. Molecular mass (in grams) of hydrogen peroxide:
Answer: 34.01
Q59. Molecular mass (in grams) of hydrogen peroxide:
Answer: 34.01
Q60. Molecular mass (in grams) of dinitrogen trioxide:
Answer: 76.01
Q61. Molar mass (in grams) of ethanol:
Answer: 46.07
Q62. Molar mass (in grams) of ethanol:
Answer: 46.07
Q63. Grams of oxygen needed to burn 1200 grams of graphite:
Answer: 1600
Q64. Grams of oxygen needed to burn 1200 grams of carbon:
Answer: 1600
Q65. Molar mass (in grams) of calcium oxide:
Answer: 56.08
Q66. Molar mass (in grams) of calcium oxide:
Answer: 56.08
Q67. Molar mass (in grams) of sulfuric acid:
Answer: 98.07
Q68. Molar mass (in grams) of sulfuric acid:
Answer: 98.07
Q69. Mass (in grams) of one mole of sulfuric acid:
Answer: 98.07
Q70. Number of atoms in 0.55 moles of carbon dioxide is ___ x 10²¹:
Answer: 7.53
Q71. Number of atoms in 0.55 moles of carbon dioxide is ___ x 10²¹:
Answer: 7.53
Q72. Number of molecules in 0.55 moles of carbon monoxide:
Answer: 7.53 x 10²¹
Q73. Particle with more positive charges than negative charges:
Answer: cation
Q74. Molecular mass (in grams) of calcium carbonate:
Answer: 162.11
Q75. Agent in a redox reaction from which electrons are released:
Answer: reducing
Q76. Agent in a redox reaction from which electrons are removed:
Answer: reducing
Q77. Mass (in grams) of a 100-ft piece of 12-gauge copper wire:
Answer: 1491
Q78. Quantity used to measure the distance between two points:
Answer: length
Q79. Quantity that measures the distance between two bodies:
Answer: length
Q80. Made up of proton(s), neutron(s), and electron(s):
Answer: atom
Q81. Composed of proton(s), neutron(s), and electron(s):
Answer: atom
Q82. Body composed of proton(s), neutron(s), and electron(s):
Answer: atom
Q83. The lightest subatomic particle:
Answer: electron
Q84. Term used to refer to a charged atom:
Answer: ion
Q85. The lightest among proton, neutron, and electron:
Answer: electron
Q86. Particle that contains more positive charges than negative charges:
Answer: cation
Q87. Particle with more positive charges than negative charges:
Answer: cation
Q88. Science that deals with the composition of materials:
Answer: chemistry
Q89. Study dealing with the composition of materials:
Answer: chemistry
Q90. Acid that completely dissociates when mixed with water:
Answer: strong
Q91. Composed of a nucleus and electron(s):
Answer: atom
Q92. Always has a nucleus and electron(s):
Answer: atom
Q93. Science that deals with energy and its interactions with matter:
Answer: physics
Q94. Science of energy and its interactions with different materials:
Answer: physics
Q95. Particle with more negative charges than positive ones:
Answer: anion
Q96. Particle having more negative charges than positive ones:
Answer: anion
Q97. Type of bond between a cation and an anion:
Answer: ionic
Q98. Form of atom that is positively charged with respect to its neutral state:
Answer: cation
Q99. Type of bond that exists between a cation and an anion:
Answer: ionic
Q100. Atom with a positive charge with respect to its neutral state:
Answer: cation
Q101. Chemistry that deals with compounds with carbon:
Answer: organic
Q102. Quantity that is constant in Charles's law:
Answer: pressure
Q103. Formed when atoms combine through bonds:
Answer: molecule
Q104. Mass (in grams) of one mole of sodium bicarbonate:
Answer: 84.01
Q105. Mass (in grams) of sodium bicarbonate:
Answer: 84.01
Q106. Amount of material contained by a body:
Answer: mass
Q107. Measurement of the amount of material in a body:
Answer: mass
Q108. Refers to the amount of material in any given body:
Answer: mass
Q109. An atom that is negatively charged:
Answer: anion
Q110. Negatively-charged atom:
Answer: anion
Q111. Chemistry of materials related to living tissues:
Answer: biochemistry
Q112. Chemistry of living tissues:
Answer: biochemistry
Q113. Branch of chemistry related to living tissues:
Answer: biochemistry
Q114. Method of comparing an unknown quantity with a known quantity:
Answer: measurement
Q115. Process of comparing an unknown quantity with a known quantity:
Answer: measurement
Q116. Bond formed by the sharing of electrons between atoms:
Answer: covalent
Q117. Bond formed through the sharing of electrons between atoms:
Answer: covalent
Q118. Kind of bond formed by the sharing of electrons between atoms:
Answer: covalent
Q119. Comparison of something unknown with a standard:
Answer: measurement
Q120. Quantity used to express the amount of a substance:
Answer: mole
Q121. Percentage of hydrogen in propanoic acid:
Answer: 8.16
Q122. Percentage of hydrogen in propanoic acid:
Answer: 8.16
Q123. Quantity expressed with a cubic unit:
Answer: volume
Q124. Three moles of methane has ____ x 10²⁴ molecules:
Answer: 1.8066
Q125. Eight moles of benzene has ____ x 10²⁴ molecules:
Answer: 4.8176
Q126. Reaction wherein anions and cations of two compounds switch places:
Answer: double replacement
Q127. Reaction involving anions and cations of two compounds switching places:
Answer: double replacement
Q128. Uses Avogadro's number to have a numerical value:
Answer: mole
Q129. Reaction that involves the transfer of protons from an acid to a base:
Answer: acid-base
Q130. Reaction characterized by the production of a complex product from simple reactants:
Answer: synthesis
Q131. The phase in which sister chromatids separate:
Answer: anaphase
Q132. Reaction characterized by producing a complex product from simple reactants:
Answer: synthesis
Q133. Percentage of oxygen in one molecule of potassium hydroxide:
Answer: 28.52
Q134. Percentage of oxygen in one molecule of potassium hydroxide:
Answer: 28.52
Q135. Particle with more negative charges than positive ones:
Answer: anion
Q136. Reaction where a complex reactant is broken down into a simpler product:
Answer: decomposition
Q137. Reaction generally described as AB + C ⟶ AC + B:
Answer: single replacement
Q138. Reaction generally described as AB + C ⟶ AC + B:
Answer: single replacement
Q139. The process of comparing an unknown quantity with a known quantity:
Answer: measurement
Q140. Chemical reaction characterized by the combination of reactants:
Answer: synthesis
Q141. Volume (in L) that 0.20 mol of HI will occupy at 300 K and 100.0 kPa:
Answer: 5
Q142. Number of molecules in 3 moles of methanal:
Answer: 1.8066 x 10²⁴
Q143. Type of bond between an anion and a cation:
Answer: ionic
Q144. Concentration (in mol/L) of NaOH if 12.5 mL is neutralized by 500 mL of gaseous HCl at 300 K and 100 kPa:
Answer: 1.60
Q145. Substance formed when atoms bond with each other:
Answer: molecule
Q146. Quantity that is constant in Boyle's law:
Answer: temperature
Q147. Resulting concentration (in mol/L) if 500 mL of gaseous HCl at 300 K and 100 kPa is dissolved in 100 mL of water:
Answer: 0.200
Q148. Percentage of zinc in a 3.66 g sample of Zn and Mg that yields 2.470 L of H₂ at 101.0 kPa and 300 K:
Answer: 30
Q149. Final pressure (in atm) if 4 moles of N₂ in a 6.0 L container at 12.0 atm expands isothermally to 36.0 L:
Answer: 2
Q150. Gas law involving constant pressure and temperature:
Answer: Avogadro's Law
Q151. Quantities specifically used in scientific measurements:
Answer: SI
Q152. Moles of chlorine that escaped a 60.0 L tank when pressure dropped from 125 atm to 50 atm at 27°C:
Answer: 187.5
Q153. Moles of an ideal gas in 6.2 liters at 3.0 atm and 37°C:
Answer: 0.983
Q154. Concentration (in M) of AgNO₃ solution if 50.0 mL treated with excess HI gas produces 2.35 g of AgI:
Answer: 0.2
Q155. Grams of water produced when 209 grams of methanol are burned:
Answer: 235
Q156. Pressure (in torr) of 0.316 moles of N₂ gas in a 4-L container at 315 K:
Answer: 1550
Q157. Gas law involving constant temperature:
Answer: Boyle's Law
