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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. In Bohr model of atom when is energy emitted?






2. What is a metathesis rxn?






3. What kind of geometry is octahedral?






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






5. 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?






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






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






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






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






10. Friction is caused by what?






11. 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?






12. A floating ice cube implies that it's weight is balanced by what?






13. What is one faraday equal to?






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






15. 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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16. What is the hybridization of oxygen in water and other oxygens similar to water with two bonds and two lone pairs of electrons?






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






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






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






20. What is usually conserved over oscillation periods?






21. When an element decreases its atomic number by one what is emitted?






22. What is sublimation?






23. Equivalent mass is what?






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






25. Beta decay is the same as what?






26. A plane mirror produces an image where?






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

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






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






30. The total pressure of a solution is what? Give example.






31. What color is above 656 nm?






32. What is weight equal to?






33. A pendulum moves under the influence of what?






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






36. What kind of metals react violently with water?






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






38. What if the circuit elements are in series?






39. What does the empirical formula show?






40. The force on an electrical charge is what?






41. What is the doppler equation for wavelength and frequency?






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

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43. So if you are given an equation and it gives you the E^o for both side equations seen in the big equation - what do you do with them?






44. If you have longer wavelengths how is their freq and energy compared to shorter wavelengths?






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






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






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






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






49. Acetic acid is a ______ solvent






50. 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?