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. Milk sours more rapidly in summer than in winter because ____________
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2. A (an) ___________ system is one which neither shows exchange of heat nor mass with its surroundings
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3. 1g of ice will occupy __________ space than 1g of water (less/more)
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4. A reaction catalyzed by light is called a ___________ reaction
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5. 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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6. The reactions with the high value of energy of activation are _________
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7. 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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8. The term -dx/dt in a rate expression refers to the ________
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9. The sum of all exponents of concentration terms in the rate equation is called __________
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10. Rate of reaction generally ____________ with the rise of temperature.
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11. Free energy change at equilibrium is ___________
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12. The ___________ law of thermodynamics discusses entropy.
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13. The conjugate base of HCl is __________
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14. __________ Variables are dependent on the mass of the material.
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15. The entropy of a pure crystal at 0 K is _________ J/K.
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16. 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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17. The _________ scale of temperature has absolute zero for its zero point
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18. A process in which no heat is allowed to enter or leave a system is termed _______
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19. 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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20. Which of the following statements describes an isolated system?
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21. The first law of thermodynamics deals with ____________
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22. Equilibrium is a state of dynamic molecular behaviour, meaning that ___________
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23. Rate of reaction is defined as the __________
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24. ______________ is the amount of heat required to melt one gram of substance at its melting point.
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25. 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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26. A process taking place at constant pressure is termed _________
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27. _____________ Variables are independent of the mass of material.
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28. Which of these is not an extensive property of a system?
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29. The ___________ scale of temperature has absolute zero for its zero point
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30. A solution of a weak acid and its salt is known as a ________ solution
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31. Which of the following statements is correct?
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32. The temperature at which the motion of particles theoretically ceases is known as ___________ zero.
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33. 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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34. Rusting of iron Is an example of________ reaction
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35. In general, the rate of a reaction can be increased by all the factors except ___________
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36. There are ___________ laws of thermodynamics
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37. __________ system is a system in which both energy and matter can exchange with the surroundings.
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38. The pH of an aqueous solution which is 0.0020 M is _________
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39. Which of the followings is not a type of system?
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40. The total energy of the universe is constant. This is a statement of the ___________ law of thermodynamics
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41. Which of these is true of an isochoric system?
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42. In order for a reaction to occur, the particles must __________
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43. Which of the following expressions is associated with the law of conservation of energy?
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44. The first law of thermodynamics deals with _________
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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. The factor that affects the rate of reaction is ___________
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47. The higher the pH, the ___________ the acidity
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48. If more collisions can be made to take place in a given time, the rate of the reaction will ___________
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49. Only __________ substances can undergo electrolysis.
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50. The ___________ law of thermodynamics discusses entropy.
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