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olga nikolaevna [1]
2 years ago
11

Explain how two object create heat went rub quickly

Chemistry
1 answer:
sergiy2304 [10]2 years ago
4 0

Answer:

friction

Explanation:

the resistance that one surface or object encounters when moving over another.

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Which one????? Please help me
Strike441 [17]
I believe it is C

The definition of wafting is: "<span>pass or cause to pass easily or gently through or as if through the air."</span>
6 0
3 years ago
Can swords shatter from cold temperatures
sp2606 [1]
Depends on how the sword is made, what materials are used and temperature used but yes they can shatter.

When molecules cool down they stop vibrating and moving as much and so they "shrink" and the metal of the sword becomes brittle. sometimes they shrink at different phases which cause tension in the sword if this tension is strong enough it can cause the metallic bonds to break causing the sword to shatter.

hope that helps 
6 0
3 years ago
A gas occupies a volume of 202 ml at a pressure of 505 torr. To what pressure must the gas be subject in order to change the vol
UNO [17]

Answer:

1569 torr

Explanation:

Assuming ideal behaviour and constant temperature, we can solve this problem by using <em>Boyle's law</em>, which states:

  • V₁P₁ = V₂P₂

Where in this case:

  • V₁ = 202 mL
  • P₁ = 505 torr
  • V₂ = 65.0 mL
  • P₂ = ?

We <u>input the data given by the problem</u>:

  • 202 mL * 505 torr = 65.0 mL * P₂

And <u>solve for P₂</u>:

  • P₂ = 1569 torr
6 0
3 years ago
The compound zinc fluoride is a strong electrolyte. write the transformation that occurs when solid zinc fluoride dissolves in w
Svetach [21]
Strong electrolytes by definition are those compounds that completely dissociates into their component ions when dissolved in water. The chemical formula for the zinc fluoride is,
               ZnF2
This means that each formula unit is composed of one atom of zinc and 2 atoms of fluoride. The ions comprising the unit are Zn²⁺ and F⁻. The dissociation is as shown below,
              ZnF₂ -->  Zn²⁺  + 2F⁻
When dissolved in water it is expected that the compound dissociates into three different ions, one Zn²⁺ and two F⁻. 
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3 years ago
What is <br> 78.432 miles x 322.3 miles
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That would be 25,270.7904 miles
8 0
3 years ago
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