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






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






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






4. 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?






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






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






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






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






9. Beta decay is the same as what?






10. 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?






11. The electrical force on a particle depends on what?

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12. What do electrolytic techniques involve?






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






14. 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?






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






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






17. The boiling point of a solution is what type of property? Which means is depends only on what?






18. 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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19. In general what is formed by an acid-base rxn?






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






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






22. 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?






23. The number of incident photons on the cathode affect what?






24. What kind of charge is on Al?






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






26. 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?






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






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






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

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30. A plane mirror produces an image where?






31. 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?






32. What is the equation for bouyant force? What is p?






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






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






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






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






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






38. 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?






39. What is weight equal to?






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






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






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

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






45. What happens to the atomic number and atomic mass of an element that go under Beta decay or positron emission?






46. The Ksp for a substance of AaBb is what?






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






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






49. What is the angular momentum quantum number (l)? It is the same as what? What does an S orbital appear to look like? What would it's (l) be?






50. Considering the answer in the last slide - what kind of a solution would have a lower freezing pt?