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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. 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?






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






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






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






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






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






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






9. How many mL is in one liter?






10. In order to guarantee a non-zero spin how many electrons are needed?






11. What is one faraday equal to?






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






13. Beta decay is the same as what?






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






15. What are the units of an electric field?






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






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






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






19. What happens to a negatively charged particle put between two parallel plates?






20. What is the equation for work done?






21. 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?






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






23. An oxidation-reduction rxn that occurs spontaneously has what kind of E^o for the cell?






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






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






26. Nuclear masses can be approximated from what?

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






28. 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?






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






30. A pendulum moves under the influence of what?






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






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






33. What do electrolytic techniques involve?






34. What is newton's second law?






35. What kind of metals react violently with water?






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






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






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






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






40. Always remember that velocity has ____ and ____






41. How would you find rate of rxn from pH 1 to pH2?






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






43. The visible spectrum ranges from ____ to _____






44. Equivalent mass is what?






45. 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?






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






47. The force on an electrical charge is what?






48. The coefficient of kinetic friction is always lower than what? Therefore what?






49. 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?






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