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DSST Physical Sciences2

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. When a falling mass is at terminal speed - what is the power expended by the air resistance?






2. The free energy change (G) must be negative when what?






3. Why would a solution with unfilled orbitals be responsible for turning a solution a certian color?






4. What is the relationship between P and n in PV=nRT?






5. In a galvanic and electrolytic cell - reduction of an ion occurs where? Oxidation of an ion occurs where?






6. F in the Young's modulus equation can also equal what? What is E?

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7. Hydrogen has what kind of standard oxidation or reduction potential?






8. If the equation says that the E^o has (-) voltage when being reduced - but it is being oxidized in the problem - what does the voltage then become?






9. What is weight equal to?






10. If asked which electron configuration of an element is most stable which one do you choose?






11. What kind of metals react violently with water?






12. What is the formula for the power supplied by a battery to accelerate an electron beam?






13. What would the force be of a block on a pulley? What would be its displacement?

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14. How do you find moles of a substance when you are given faradays and electrons?






15. What type of acid and base would produce a pH closest to 7?






16. What energy conversion describes best what takes place in a battery-powered resistive circuit?






17. Nuclear masses can be approximated from what?

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18. An alpha particle can also be assumed to be what element? What is the mass number of Helium?






19. What is the principal quantum number (n)?






20. Mechanical waves in a medium fxn to transport what?






21. Considering the answer in the last slide - what kind of a solution would have a lower freezing pt?






22. In radioactive decay the atomic number (A) and mass number (Z) must what?






23. If melting pt of a substance is 80 degrees - then what is the diff in time the substance melts when it is either placed in 100 degree test tube and 90 degree test tube?






24. How do you find wavelength if you known distance from adjacent crests and troughs?






25. What does spatial resolution refer to?






26. The coefficient of kinetic friction is always lower than what? Therefore what?






27. The total pressure of a solution is what? Give example.






28. When looking at which combo of acids and bases will result in a solution with pH of 7 what do we look for?






29. In a healthy person standing at rest - a comparison of arterial blood pressure measured in the arm with that in the leg - shows what about the differences between these pressures?






30. What is the equation for a period (T)? What is the equation for angular velocity?






31. When does red litmus paper turn blue?






32. What does specific heat of a substance tell you? Thus what does a higher specific heat tell you?






33. What if the circuit elements are in series?






34. The probability of an X-ray emission event at a given wavelength is measured by what?






35. The freezing point of an aqueous solution is what kind of property? What does this mean?






36. Terminal voltage is provided to what?






37. Regarding M(OH)2 and you have solubility (S) - what would the Ksp be?






38. Young's modulus is a ________ for a material. What is it's ratio? What would a graph of it look like?






39. Can a catalyst shift equilibrium?






40. Heat from friction comes from what?






41. What is Newton's Universal Law of Gravitation?






42. In Bohr model of atom when is energy emitted?






43. What is the equation for work done?






44. The electrons emitted from cathode are replaced with what?






45. A cmpd with the lowest carbon to oxygen ratio will require how much oxygen for combustion?






46. Light can be carried along a distance within a transparent material by means of what?






47. Strength of dispersion force increases with what?






48. The square root of 10^anything is equal to what?






49. A saturated solution of KNO3 means what? If you add salt that has any of these two ions what will happen? What is this called?






50. Thus is Zn (which has positive oxidation potential) reacts with HCl - will any rxn take place?