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






2. What is one faraday equal to?






3. When is a body in translational equilibrium?






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






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






6. 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?






7. What is the unit for Young's Modulus?






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






9. When does red litmus paper turn blue?






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






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






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






13. Equivalent mass is what?






14. What is the amt of energy that a frictional force generates?






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






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






17. What does the empirical formula show?






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






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






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






21. The volume of an object is equal to water?






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






23. At the moment of explosion of an object - what is its momementum? Why? After an explosion what is the total momentum carried by all the fragments?






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






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






26. Why is it important that the materials used as scintillators are nearly transparent to the wavelength of light they emit?






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






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






29. Nuclear masses can be approximated from what?

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30. 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?






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

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






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






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






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






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






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






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






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






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

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41. What do electrolytic techniques involve?






42. Kb is the equilibrium constant for what?






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






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






45. Acetic acid is a ______ solvent






46. Friction is caused by what?






47. How do you figure out the literature Ksp value of a compound?






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






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

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