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lora16 [44]
3 years ago
15

Can you guys help me with this one too

Chemistry
1 answer:
Mrrafil [7]3 years ago
4 0
C I think not sure give it a try
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A chemist carefully measures the amount of heat needed to raise the temperature of a 894.0g sample of a pure substance from to −
astraxan [27]

Answer:

C = 0.2349 J/ (g °C)

Explanation:

Mass, m = 894.0g

Initial Temperature = −5.8°C

Final Temperature =  17.5°C

Temperature change = 17.5°C - (−5.8°C) = 23.3

Heat, H = 4.90kJ = 4900 J

Specific heat capacit, C = ?

The relationship between these quantities is given by the equation;

H = mCΔT

C = H / mΔT

C = 4900 / (894)(23.3)

C = 0.2349 J/ (g °C)

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3 years ago
What is diffusion....?​
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Answer:

It is the net movement of anything from a region of higher concentration to a region of lower concentration.

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I believe it is C) to produce
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Lewis structure for ethanol​
Archy [21]

Answer:

https://prnt.sc/ql75rv

This is a link to an image of the lewis structure.

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CCC Structure and Function Why is the arrangement of the constituent atoms or
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Since the atoms or molecules in a solid do not translate hence, the structures of solids usually described in terms of the positions  of the constituent atoms rather than their motion.

<h3>States of matter</h3>

There are three state of matter which are;

  • Solid
  • Liquid
  • Gas

In a solid, atoms or molecules retain their positions and do not translate, hence, the structure of atoms or molecules are most important in determining the structure of a solid.

Also, the fact that the atoms or  molecules in a solid can only vibrate or rotate explains why the structures of solids usually described in terms of the positions  of the constituent atoms rather than their motion.

Learn more about the states of matter: brainly.com/question/9402776

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