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Marina CMI [18]
2 years ago
14

How well does particle theory explain the properties of solids liquids and gases?

Chemistry
1 answer:
skad [1K]2 years ago
5 0

Answer:

The kinetic particle theory explains the properties of the different states of matter. The particles in solids, liquids and gases have different amounts of energy. They are arranged differently and move in different ways.

Explanation:

Hope it helps you

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What is the mass of a 300 ml sample of gaseous hydrogen chloride at 2.0 atm and 30c?
kap26 [50]
Use PV = nRT
(2 atm)(.3 liters) = n(8.314 mol*K)(303°K)

.6 = n(2519.142)

Divide by 2519.142

n = .00023818 mols of HCl * 36.46g of HCl/ 1 mol of HCl

Grams of HCl = 0.00868
3 0
3 years ago
Calculate the number of moles equivalent to 12.7 gram of iodine molecule ​
Alexus [3.1K]

\LARGE{ \boxed{ \purple{ \rm{Answer}}}}

☃️ Chemical formulae ➝ \sf{I_2}

How to find?

For solving this question, We need to know how to find moles of solution or any substance if a certain weight is given.

\boxed{ \sf{No. \: of \: moles =  \frac{Given \: weight}{Molecular \: weight} }}

Solution:

❍ Molecular weight of \sf{I_2}

= 2 × 126.90

= 253.80

= 254 (approx.)

❍ Given weight: 12.7

Then, no. of moles,

⇛ No. of moles = 12.7 / 254

⇛ No. of moles = 0.05 moles

⚘ No. of moles of Iodine molecule in the given weight = <u>0.05</u><u> </u><u>moles </u>

<u>━━━━━━━━━━━━━━━━━━━━</u>

6 0
3 years ago
Read 2 more answers
¿cual es el volumen de solución que contiene 10 gramos de NaCl en 100 mL de solución?.
Ivenika [448]

summer college community of college students high education community high schools provide education and education high schools community education of children high jevs human services is work to community city philadelphian workers to provide high-quality

8 0
2 years ago
Which statement is true if the Delta.Hrxn of a reaction is positive? The reaction is endothermic. The reaction is exothermic. Th
KatRina [158]

Answer:

The reaction is endothermic.

Explanation:

Heat is absorbed in endothermic reactions. An endothermic process is any process which requires or absorbs energy from its surroundings, usually in the form of heat. It may be a chemical process, such as dissolving ammonium nitrate in water, or a physical process, such as the melting of ice cubes (wikipedia)

Standard Enthalpy of Reaction (ΔHrxn) is the amount of heat absorbed (+ΔH value) or released (-ΔH value) that results from a chemical reaction.

3 0
3 years ago
Read 2 more answers
For the reaction
sp2606 [1]

Answer:

n_{H_2}^{equilibrium}=0.393mol

Explanation:

Hello,

In this case, given the amounts of water and carbon dioxide we should invert the given reaction as hydrogen will be producted rather than consumed:

H_2O(g) + CO(g)\rightleftharpoons H_2(g) + CO_2(g)

Consequently, the equilibrium constant is also inverted:

Kc'=\frac{1}{Kc}=\frac{1}{0.534} =1.87

In such a way, we can now propose the law of mass action:

Kc'=\frac{[H_2][CO_2]}{[H_2O][CO]}

And we can express it in terms of the initial concentrations of the reactants and the change x due to the reaction extent:

Kc'=\frac{(x)(x)}{([H_2O]_0-x)([CO]_0-x)}=1.87

Thus, we compute the initial concentration which are same, since equal amount of moles are given:

[H_2O]_0=[CO]_0=\frac{0.680mol}{70.0L}=0.0097M

Hence, solving for x by using the quardratic equation or solver, we obtain:

x_1=0.00561M\\x_2=0.0361M

For which the correct value is 0.00561M since the other one will produce negative concentrations of water and carbon monoxide at equilibrium. Therefore, the number of moles of hydrogen at equilibrium for the same 70.0-L container turn out:

n_{H_2}^{equilibrium}=0.00561mol/L*70.0L=0.393mol

Best regards.

3 0
3 years ago
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