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2 years ago

8

A sample of Neon and Helium gases at 298 K have a total pressure of 29 atm. If the partial pressure of He is 6 atm, what is the

mole fraction of neon?

1 answer:

Ivahew [28]2 years ago

8 0

I just met a cowboy guy and

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One of the hydroxybenzoic acids is known by the common name salicylic acid. Its methyl ester, methyl salicylate, occurs in oil o

KIM [24]

Answer:

Please see attachment

Explanation:

Please see attachment

8 0

3 years ago

Materials that conduct heat and electricity well in the solid state result when: 1. metals bond with metals 2. any type of eleme

Andre45 [30]

Answer: Metals bond with metals.
Explanation: A metallic bond is a sharing of electrons between many atoms of a metal element. Metallic bonding is when positive ions (metals) are in a 'sea of negative electrons'. The electrons are delocalised, which means they can move around easily and carry charge, and this enables it to conduct electricity, even in a solid state. The big pool of electrons is like a free-for-all in that any valence electron can move to any atom within the material.

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3 years ago

Which of the following best describes the relation ship between oxygen and chlorine

emmasim [6.3K]

Answer:

D. oxygen atoms have twice as many protons as chlorine atoms

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2 years ago

Titanium and chlorine react to form titanium(IV) chloride, like this:

leva [86]

Answer:

the value of equilibrium constant for the reaction is 8.5 * 10⁷

Explanation:

Ti(s) + 2 Cl₂(g) ⇄ TiCl₄(l)

equilibrium constant Kc = $\frac{1}{[Cl_2]^2}$

Given that,

We are given:

Equilibrium amount of titanium = 2.93 g

Equilibrium amount of titanium tetrachloride = 2.02 g

Equilibrium amount of chlorine gas = 1.67 g

We calculate the No of mole = mass / molar mass

mass of chlorine gas = 1.67 g

Molar mass of chlorine gas = 71 g/mol

mole of chlorine = 1.67 / 71

= 7.0L

Concentration of chlorine is = no of mole / volume

= 0.024 / 7

= 3.43 * 10⁻³M

equilibrium constant Kc = $\frac{1}{[Cl_2]^2}$

= $\frac{1}{[3.43 * 10^-^3]^2}$

= 8.5 * 10⁷

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3 years ago

Why does liquids rate of evaporation increase when the liquid is heated

ivann1987 [24]

Boiling liquids that want to escape gas

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3 years ago