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






2. In order to guarantee a non-zero spin how many electrons are needed?






3. The force on an electrical charge is what?






4. Neither N2 or O2 have a permanent what? What does this mean?






5. The Ksp for a substance of AaBb is what?






6. What is the law of conservation of linear momentum?






7. In a rxn - how do you figure out which atom has the highest electron affinity?






8. What happens to a negatively charged particle put between two parallel plates?






9. Isotopes have diff number of ______ but same what?






10. If both weight and bouyant force are dependent on g - that makes g independent of what?






11. The phase difference corresponding to a half wave is what? When do you get destructive interference?






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






13. How do you find specific gravity of an object?






14. What is the equation for work done?






15. When a falling mass is at terminal speed - what is the power expended by the air resistance?






16. How do the final velocities differ if a sphere is dropped from a distance rather than rolled down an inclined plane?






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






18. If temperature arises during a mixture what can you conclude about the enthalpy?






19. Equivalent mass is what?






20. What gas is evolved when copper is placed in a nitric acid (HNO3) solution? This is what type of rxn?






21. An oxidation-reduction rxn that occurs spontaneously has what kind of E^o for the cell?






22. What does the empirical formula show?






23. Melting occurs at what type of temperature? Why?






24. What is the net result on a nucleus when you absorb a deuturon and emit a neutron?






25. What kind of metals react violently with water?






26. Why does light travel slower in an optically dense medium than through a vacuum?






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






28. Always remember that velocity has ____ and ____






29. 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?






30. So if you have a voltage of 1/4V it will be reduced by what? Thus what will be the equation for the terminal voltage?






31. The concentration of OH and H30 ions are approximately equal at what pH?






32. What is Avagadro's number regarding ions/mol?






33. A plane mirror produces an image where?






34. The boiling point of a solution is what type of property? Which means is depends only on what?






35. If you are told to find the maximum number of NiCo3 that can form how do you do that?

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36. What is different between an inclined plane and free fall?






37. If the standard potential for a rxn is negative when it is being reduced (thus a negative reduction potential) that means that the resulting atom has what?






38. What are the units of an electric field?






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






40. Charged particles in motion constitute what? Freely moving charges are deflected by what? The curved path depends on what?






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






42. How would you find rate of rxn from pH 1 to pH2?






43. How many mL is in one liter?






44. If you have a decrease of pressure to which side of the equation is it equilibrium shifted towards? What about if you increase temperature?

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45. Kb is the equilibrium constant for what?






46. What are the three separate module for tensile stress - shear stress - and compression/expansion?

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47. Heat from friction comes from what?






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






49. The temperature of a metal will not increase above its melting point until what?






50. How do you find what is the limiting reagent? You can then use the moles of the limiting reagent to calculate what?







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