Miss Natalia

(14)

$20/per page/Negotiable

About Miss Natalia

Levels Tought:
Elementary,High School,College,University

Expertise:
Accounting,Business & Finance See all
Accounting,Business & Finance,Calculus,Computer Science,Environmental science,Health & Medical Hide all
Teaching Since: Apr 2017
Last Sign in: 269 Weeks Ago, 3 Days Ago
Questions Answered: 6064
Tutorials Posted: 6070

Education

  • Doctor of Education in Educational Leadership with a Specialization in Educational Technology
    Phoniex University
    Oct-1999 - Nov-2005

Experience

  • HR Executive
    a21, Inc.
    Nov-1998 - Dec-2005

Category > Science Posted 22 Jun 2017 My Price 10.00

What kind of fuel or energy is used to drive the turbines?

Science Questions

 

  1. Explain how medical magnetic resonance imaging (MRI) exploits the magnetic properties of the nucleus.
  2. Explain how a sound is actually a form of energy? In what medium do sound waves travel?
  3. A current is connected to 115-volt power source. If a current of 5 amps flows in the wire, what is the resistance of the circuit?
  4. Find out where your electrical power is generated. Does your local utility buy additional power from some other source? What kind of fuel or energy is used to drive the turbines? Are there pollution controls that restrict the use of certain kinds of fuels at your local power plant?
  5. Identify at least THREE everyday examples of waves that travel through each of the following:
    • solids
    • liquids
    • gases
  6. In what ways do different kinds of seismic waves differ from waves on water?
  7. Why are the X-rays used for medical diagnosis?
  8. What other wavelengths of electromagnetic radiation are used in medicine?
  9. What is the wavelength of the carrier wave used by your favorite radio station?
  10. What three particles make up every atom?
  11. What are the major differences among the three particles that make up every atom?
  12. What is the relationship between a photon and a quantum leap?
  13. Using the periodic table, determine the result of the following calculation: the number of electrons in the outer shell of a hydrogen atom minus the number of electrons in the outer shell of a helium atom plus the number of electrons in the outer shell of a hydrogen atom.
  14. When is an electron a valence electron? Why are valence electrons especially important in chemical reactions?
  15. Are the following substances acid, base, or neutral:
    1. sodium bicarbonate (pH = 8.3):
    2. Blood (pH = 7.4):
    3. milk (pH =6.7):
    4. orange juice (pH = 3.6):
    5. milk of magnesia (pH = 10.5):
  16. When your body metabolizes the food you eat, are the chemical reactions endothermic or exothermic?
  17. When a chemical reaction takes place, it is noted that the temperature in the environment of the reaction drops. Is the chemical reaction endothermic or exothermic?
  18. Why does ice float when placed in water?

    What roles do hydrogen bonding plan in this phenomena?
  19. What information does the octane rating of a fuel provide?

    When is a fuel with a high octane rating necessary?
 

Answers

Miss Natalia
(14)
Status NEW Posted 22 Jun 2017 06:06 AM My Price 10.00

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