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

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2. What does spatial resolution refer to?






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






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






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






6. if lead is successively preciptated as PbSO4 - PbI - and PbCO2 - which is less soluble than which? Thus which anions will be precipitated first?






7. The coefficient of static friction is the ratio of what?






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






9. 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?






10. 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?






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






12. 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?






13. 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?






14. When is a body in translational equilibrium?






15. What is conserved in an inellastic collision?






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






17. What is newton's second law?






18. Pressure in a liquid is proportional to what? So why does this explain why blood pressure is greater in legs?






19. 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?






20. If you have an alcohol with OH on the end and then another cmpd with an O in the middle but no H - what is different between the bonds they can make with water?

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






22. Beta decay is the same as what?






23. What is a metathesis rxn?






24. Terminal voltage is provided to what?






25. If any species is gotten rid of when combining two equations of chemical rxns together what can you conclude about those species?






26. In order to increase the kinetic energy of electrons - they must be what?






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






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






29. What is the spin projection quantum number?






30. Nuclear masses can be approximated from what?

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31. What if the circuit elements are in series?






32. Heat from friction comes from what?






33. What are the units of an electric field?






34. When does red litmus paper turn blue?






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






36. What is the magnitude of the electric field produced by a point charge?






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






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






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






40. What color is above 656 nm?






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






42. Kb is the equilibrium constant for what?






43. When you are trying to calculate a galvanic cell's emf - what do you look at?






44. A nearsighted person has what type of focal length? Thus what do we do to correct this?






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






46. If you have circuit elements in parallel what is the same across them?






47. 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?






48. Beta decay is the emission of what? How do you know what it is the emission of?






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






50. The range of pH in which a color change takes place in a titration depends on what?