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






2. What are the units of an electric field?






3. What kind of charge is on Al?






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






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






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






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






8. The visible spectrum ranges from ____ to _____






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






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






11. When the source of a sound is flying away from you what happens to the wavelengths from peak to peak?






12. 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?






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






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






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

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






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

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






19. 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?






20. The force on an electrical charge is what?






21. What is the spin projection quantum number?






22. What is conserved in an inellastic collision?






23. How many mL is in one liter?






24. When you are trying to find the buyoancy force of water on a lead object what density do you use in the equation B = pVg? what volume?






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






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






27. What is weight equal to?






28. 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?






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






30. What is the equation for pressure?






31. In PV=nRT - if temp increases what will happen to volume?






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






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






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






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






36. Always remember that velocity has ____ and ____






37. Can a catalyst shift equilibrium?






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






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






41. What is the equation for work done?






42. A plane mirror produces an image where?






43. Does the temperature of a water bath or amount of water in a water bath determines if a substance melts?






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






45. What kind of geometry is octahedral?






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






47. 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?






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






49. A pendulum moves under the influence of what?






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







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