ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CHM201
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1. A (an) ___________ system is one which neither shows exchange of heat nor mass with its surroundings
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2. Rate of reaction is defined as the __________
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3. Milk sours more rapidly in summer than in winter because ____________
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4. Equilibrium is a state of dynamic molecular behaviour, meaning that ___________
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Every type of chemical bond contains a certain amount of energy. The total bond energy, which is essentially equivalent to the total potential energy of the system, is a quantity known as: ____________
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6. The pH of an aqueous solution which is 0.0020 M is _________
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7. The minimum additional energy, above the average internal energy, which the reacting molecules must possess so that their collision result in a reaction is known as _____________
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8. The temperature at which the motion of particles theoretically ceases is known as ___________ zero.
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9. In order for a reaction to occur, the particles must __________
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10. In general, the rate of a reaction can be increased by all the factors except ___________
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11. Only __________ substances can undergo electrolysis.
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12. ______________ is the amount of heat required to melt one gram of substance at its melting point.
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13. A reaction catalyzed by light is called a ___________ reaction
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14. If the rate of a reaction increases by a factor of 9 when the concentration of a reactant is tripled, then the reaction is ___________order with respect to that reactant.
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15. Which of these is not an extensive property of a system?
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16. Which of these is true of an isochoric system?
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17. Which of the following statements is correct?
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18. In a reaction in which the rate of the reverse reaction is equal to the rate of the forward reaction, a state of __________ is attained.
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19. The _________ scale of temperature has absolute zero for its zero point
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20. A substance that is capable of acting as both an acid and as a base is ______________
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21. There are ___________ laws of thermodynamics
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22. The sum of all exponents of concentration terms in the rate equation is called __________
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23. The ___________ scale of temperature has absolute zero for its zero point
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24. The first law of thermodynamics deals with ____________
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25. A solution of a weak acid and its salt is known as a ________ solution
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26. If more collisions can be made to take place in a given time, the rate of the reaction will ___________
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27. A process in which no heat is allowed to enter or leave a system is termed _______
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28. _____________ Variables are independent of the mass of material.
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29. Rusting of iron Is an example of________ reaction
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30. The first law of thermodynamics deals with _________
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31. Which of the following expressions is associated with the law of conservation of energy?
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32. A process taking place at constant pressure is termed _________
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33. The reactions with the high value of energy of activation are _________
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34. Which of the following statements describes an isolated system?
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35. One mole of an ideal gas is heated at a constant pressure of 101300 $N m^{-2}$, from 273.2 K to 373 K. Calculate the work involved R = 8.314 J/mol/K).
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36. __________ system is a system in which both energy and matter can exchange with the surroundings.
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37. The conjugate base of HCl is __________
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38. Which of the followings is not a type of system?
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39. The higher the pH, the ___________ the acidity
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40. The rate at which a substance takes part in a chemical reaction depends upon its ____________
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41. The entropy of a pure crystal at 0 K is _________ J/K.
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42. Free energy change at equilibrium is ___________
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43. For any process, the change in entropy of the universe equals the sum of entropy changes to the system and the _________
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44. 1g of ice will occupy __________ space than 1g of water (less/more)
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45. The minimum additional energy, above the average internal energy, which the reacting molecules must possess so that their collision result in a reaction is known as ____________
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46. __________ Variables are dependent on the mass of the material.
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47. The ___________ law of thermodynamics discusses entropy.
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48. The change in entropy for any process is not dependent upon the pathway by which the process occurs. In order words, the change in entropy for any process is a _________ function
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49. The total energy of the universe is constant. This is a statement of the ___________ law of thermodynamics
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50. The factor that affects the rate of reaction is ___________
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