What are two substances that are useful because of their viscosity? (Please describe why they are useful)
1 answer:
Answer:
The two substances are Grease and Oil.
Explanation:
- <u>Grease</u> is used for other lubrication outside of the engine when it is really cold.
- <u>Oil</u> is used for lubricating when your engine is really hot.
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Number of moles = 0.0688 moles of NaoH
volume = 0.250 L
Molarity = moles of solute / volume ( L )
M = 0.0688 / 0.250
M = 0.28 M
Answer B
Density is mass divided by volume. Therefore, volume is mass divided by density.

Hello!
The force on the student is equal to the force the student exerts, so 100N is your answer.
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Answer:

for the balanced equation

Can you give the specific problem?