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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 are the units of an electric field?






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






3. What is weight equal to?






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






5. What kind of charge is on Al?






6. If you are given density and volume how do you find mass?






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






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






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






10. What are the three separate module for tensile stress - shear stress - and compression/expansion?

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






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






13. Nuclear masses can be approximated from what?

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






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






16. What kind of geometry is octahedral?






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






18. 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?






19. Can a catalyst shift equilibrium?






20. 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?






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






22. 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?






23. Heat from friction comes from what?






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






25. Kb is the equilibrium constant for what?






26. 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?






27. What is the equation for pressure?






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






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






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






31. What is the equation for work done?






32. What is Newton's Universal Law of Gravitation?






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






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






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






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






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






39. 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?






40. Neither N2 or O2 have a permanent what? What does this mean?






41. Acetic acid is a ______ solvent






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

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43. Charged particles in motion constitute what? Freely moving charges are deflected by what? The curved path depends on what?






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






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






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






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






48. The closer the spacing of the anode wire - the better one can specify what?






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






50. 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?