Science Questions   Explain how medical magnetic resonance imaging (MRI) exploits the magnetic properties of the nucleus. Explain how a sound is actually a form of energy? In what medium do sound waves travel? 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? 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? Identify at least THREE everyday examples of waves that travel through each of the following: ·         solids ·         liquids ·         gases In what ways do different kinds of seismic waves differ from waves on water? Why are the X-rays used for medical diagnosis? What other wavelengths of electromagnetic radiation are used in medicine? What is the wavelength of the carrier wave used by your favorite radio station? What three particles make up every atom? What are the major differences among the three particles that make up every atom? What is the relationship between a photon and a quantum leap? 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. When is an electron a valence electron? Why are valence electrons especially important in chemical reactions? 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): When your body metabolizes the food you eat, are the chemical reactions endothermic or exothermic? 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? Why does ice float when placed in water? What roles do hydrogen bonding plan in this phenomena? What information does the octane rating of a fuel provide? When is a fuel with a high octane rating necessary?

Question
Asked Mar 5, 2020
1 views

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

  1. In what ways do different kinds of seismic waves differ from waves on water?
  2. Why are the X-rays used for medical diagnosis?
  3. What other wavelengths of electromagnetic radiation are used in medicine?
  4. What is the wavelength of the carrier wave used by your favorite radio station?
  5. What three particles make up every atom?
  6. What are the major differences among the three particles that make up every atom?
  7. What is the relationship between a photon and a quantum leap?
  8. 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.
  9. When is an electron a valence electron? Why are valence electrons especially important in chemical reactions?
  10. 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):

  1. When your body metabolizes the food you eat, are the chemical reactions endothermic or exothermic?
  2. 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?
  3. Why does ice float when placed in water?

What roles do hydrogen bonding plan in this phenomena?

  1. What information does the octane rating of a fuel provide?

When is a fuel with a high octane rating necessary?

 

Expert Answer

This question hasn't been answered yet.

Ask an expert

Check out a sample Q&A here.

The solution to your study problems

Solutions are written by subject matter experts who are available 24/7. Questions are typically answered within 1 hour.*

Get Started
*Response times may vary by subject and question.

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Question #3 in this image

A: Closing entries Closing entries are recorded in order to close the temporary accounts such as income...

question_answer

Q: Requlred Informatlon [The following Information apples to the questions displayed below.] A company ...

A: In the question, the given transaction is "A company makes the payment of a one-year insurance premi...

question_answer

Q: Ruler ACC 201 Final Exam Protected View Saved O Search Shawnda Stamper File References Home Design I...

A: Common stock: Common stock is the instrument used by the company for raising funds from the general ...

question_answer

Q: The following equity investment transactions were completed by Romero Company during a recent year: ...

A: The investment under which shares of a company in the stock market are purchased is referred to as t...

question_answer

Q: The projected benefit obligation and plan assets were 200 million and 280 million, respectively, at ...

A: Following are the calculation of increase/ decrease in the pension expense:

question_answer

Q: ASsignmentiMain.do?invoker=& takeAssignmentSessionLocator%3D&inprogress%-false rk eBook Calculator P...

A: a. Particulars Amount PV Factor Present value of Bonds Principal amount (PVIF factor 5% at 10 p...

question_answer

Q: Quantitative Problem: Winston Inc. is trying to determine the effect of its inventory turnover ratio...

A: Step 1: Compute the average inventory as follows:

question_answer

Q: On January 1, 2019, Fulton Inc. enters into a contract with Gibson to deliver goods. Gibson pays $10...

A: The journal entries for Fulton Inc. are shown as below:     Working Notes: Computation of transacti...

question_answer

Q: Question #4 please. Thank you.

A: The equivalent units are computed by multiplying the percentage completed with the total units intro...