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Vladimir [108]
3 years ago
8

Which of the following is an example of representative money?

Chemistry
1 answer:
NemiM [27]3 years ago
5 0
Gold certificates or sliver certificates
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Graphs are a way to present data in picture form t or f
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I’m pretty sure it’s true
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3 years ago
Determine the change in volume that takes place when a 2.00 L sample of N2 gas is heated from 250 C to 500 C.
Effectus [21]

Answer:

V₂ = 2.96 L

Explanation:

Given data:

Initial volume = 2.00 L

Initial temperature =  250°C

Final volume = ?

Final temperature = 500°C

Solution:

First of all we will convert the temperature into kelvin.

250+273 = 523 k

500+273= 773 k

According to Charles's law,

V∝ T

V = KT

V₁/T₁ = V₂/T₂

V₂ = T₂V₁/T₁

V₂ = 2 L × 773 K / 523 k

V₂ =  1546 L.K / 523 k

V₂ = 2.96 L

4 0
3 years ago
Heat flows naturally from objects that have higher energy to those with?
Vlad [161]

Answer:

heat flow

Explanation:

heat flow moves to a higher temperature to a lower temperature

8 0
3 years ago
What are the 10 element​
maw [93]
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hope it hepls✨

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When most liquids freeze, explain what happens to the motion and the space between the atoms.
KiRa [710]

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atoms relative motion slow down and begin to vibrate in place

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