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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. 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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2. What are the units of an electric field?






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






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






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






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






7. 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?






8. A pendulum moves under the influence of what?






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






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






11. How many mL is in one liter?






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






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






14. A cmpd with the lowest carbon to oxygen ratio will require how much oxygen for combustion?






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






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






17. What is the equation for work done?






18. 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?






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






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






21. 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?






22. How do you find wavelength if you known distance from adjacent crests and troughs?






23. Strength of dispersion force increases with what?






24. The basicity constant Kb measures what?






25. When is a body in translational equilibrium?






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

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






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






29. 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?






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






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






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






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






34. Why does light travel slower in an optically dense medium than through a vacuum?






35. Regarding M(OH)2 and you have solubility (S) - what would the Ksp be?






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






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






38. What is the equation for pressure?






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






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






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






42. The force on an electrical charge is what?






43. What do electrolytic techniques involve?






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

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






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






47. Friction is caused by what?






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






49. if lead is successively preciptated as PbSO4 - PbI - and PbCO2 - which is less soluble than which? Thus which anions will be precipitated first?






50. What kind of charge is on Al?