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Marizza181 [45]
3 years ago
15

As the movement of molecules within a substance increases, describe the change in heat of the substance. Justify your response i

n two or more complete sentences.
Chemistry
2 answers:
RSB [31]3 years ago
6 0

As the movement of molecules within a substance increases, the heat of the substance will also increase, as the molecules are vibrating more and so thermal energy will be passed between the molecules at an increased rate.

Vladimir [108]3 years ago
3 0
It will get hotter, because the molecules create heat when they move around just like us when we run.
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julia-pushkina [17]

The pressure of the gas : 1.1685 atm

<h3>Further explanation</h3>

In general, the gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08206 L.atm / mol K  

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n=moles=1.5

V=volumes = 30 L

T=temperature=285 K

The pressure :

\tt P=\dfrac{nRT}{V}\\\\n=\dfrac{1.5\times 0.082\times 285}{30}\\\\P=1.1685~atm

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How many milliliters of 5.0 M NaOH are needed to exactly neutralize 40. milliliters of 2.0 M HCl?
zubka84 [21]

Answer:

16mL

Explanation:

Using the following formula;

CaVa = CbVb

Where;

Where

Ca = concentration/molarity of acid (M)

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Vb = volume of base (mL)

According to the information provided in this question;

Ca (HCl) = 2M

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