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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. If something is very toxic to a human - what Ksp value should it have for it to be the safest?






2. Why are bonds between H and another atom shorter compared to most?






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






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






5. The force on an electrical charge is what?






6. How do you balance redox rxns?

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






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






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






10. Can a charged particle be detected by two anodes?

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11. A pendulum moves under the influence of what?






12. How should the period of a waveform be calculated?






13. As a balloon rises in a tank of water what happens to the temperature inside it? Why would this happen?






14. 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?






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






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






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






18. If the source of sound and the listener are traveling side by side at the same speed - what will the change in freq heard by the listener be?






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






20. What direction do gravity and bouyancy work? What direction does water pressure work?






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






22. How do you find length of time something is in flight? How do you find distance it traveled?






23. When is a body in translational equilibrium?






24. If you are given density and volume how do you find mass?






25. How do you find the equiv capacitance of capacitors in series and parallel? What about if you are trying to find equivalent resistance?






26. How do you find 'g' from Newton's law of gravity?






27. What is the spin projection quantum number?






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

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29. When something is falling what is the force acting on it? Thus what would be the work done?

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30. What if the circuit elements are in series?






31. If you are given a table of substances and are told to find which two show effect of molecular weight on melting point alone - which two substances should you look for?






32. What is conserved in an inellastic collision?






33. Is the work done by air resistance - positive or negative?






34. For a given flow rate - the speed of fluid flow is inversely proportional to what?






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






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






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






38. Strength of dispersion force increases with what?






39. The visible spectrum ranges from ____ to _____






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






41. The closer the spacing of the anode wire - the better one can specify what?






42. The equivalence pt is what part of the titration curve? Thus looking at the range of change between the pH values along this part of the graph can tell you what?

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43. 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?






44. What is one faraday equal to?






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






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






47. What happens if an atom undergoes positron decay or electron capture?






48. The basicity constant Kb measures what?






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






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







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