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sammy [17]
3 years ago
15

Describe how iron and sulfur can be an element, mixture, and a compound.

Chemistry
1 answer:
Vlad1618 [11]3 years ago
8 0

iron is a metal and sulfur is a non-metal and both are in the periodic table which means they are elements. Together they can form a compound with an ionic bond. and can be mixed to form a mixture.

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calculate the enthalpy change for converting 1.00 mol of liquid water at 100 C to water vapor at 145 degree celsius for water Δ
Svetllana [295]

Answer:

q1 = mCpΔT

    = 18.016g × 1.84J/g.K × (418.15-373.15)

     = 1491.72 J

q2 = n×ΔH vap

     =  1mol ×44.0kJ/mol

     = 44KJ

∴ qtotal = q1+ q2

             = 1.498kJ + 44.0kJ

             = 45.498KJ

Explanation: The heat flow can be separated into steps.all that is being observed at a constant pressure,the heat flow is equal to the enthalpy.

8 0
3 years ago
I really need help with this. Be serious. If you answer something random just for the points I will report you to brainly.
sashaice [31]

Answer:

It get thicker beacause the mid ocean

Explanation:

Because when it gets moved back the heat rises and it builds up to be thicker.

8 0
2 years ago
Describe all the relationships between pressure, volume, and<br> temperature
hammer [34]
  • <u>The pressure of a given amount of gas is directly proportional to its absolute temperature, provided that the volume does not change (Amontons's law)</u><u>.</u>

  • <u> The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle's law).</u>
3 0
2 years ago
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If mixture didn't exist how would life be different​<br><br>PLEASEEE QUICKKKK
Nataliya [291]

Answer:

boring

Explanation:

without meaning

8 0
3 years ago
You mix two clear liquids and a colored solid forms at the bottom of the beaker. Do you think this is a chemical change? How can
UkoKoshka [18]
The answer is yes. A chemical change occurred.
Chemical change is defined as the rearrangement or alteration in the of atoms in one or more substance which result in the formation of a new substance.

In the above, you mixed two clear liquids and the result was a new substance which is a colored solid precipitate at the bottom of the beaker.
This means that changes in the atoms of the two clear liquids occurred leading to the formation of this new solid substance.

This means that chemical change has occurred.

Hope this helps :)
7 0
3 years ago
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