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Tanzania [10]
4 years ago
6

One of the few xenon compounds that form is cesium xenon heptafluoride (CsXeF7). How many moles of CsXeF7 can be produced from t

he reaction of 14.0 mol cesium fluoride with 14.0 mol xenon hexafluoride?
CsF(s) + XeF6(s) CsXeF7(s)
Chemistry
1 answer:
Gelneren [198K]4 years ago
8 0

Answer : The number of moles of CsXeF_7 produced from the reaction is, 14 moles

Explanation :

The given balanced reaction is,

CsF(s)+XeF_6(s)\rightarrow CsXeF_7(s)

By the stoichiometry, 1 mole of cesium fluoride react with the 1 mole of xenon hexafluoride to give 1 mole of cesium xenon heptafluoride.

That means the mole ratio of CsF:XeF_6:CsXeF_7=1:1:1

As 14 moles of cesium fluoride react with the 14 moles of xenon hexafluoride to give 14 moles of cesium xenon heptafluoride.

Hence, the number of moles of CsXeF_7 produced from the reaction is, 14 moles

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Okay so the answer to this one is very simple 91
7 0
3 years ago
In another experiment, a 0.150 M BF4^-(aq) solution is prepared by dissolving NaBF4(s) in distilled water. The BF4^-(aq) ions in
Ilia_Sergeevich [38]

Answer:

A) Forward rate = 1.1934 × 10^(-4) M/min

B) I disagree with the claim

Explanation:

A) We are told that [HF] reaches a constant value of 0.0174 M at equilibrium.

The reversible reaction given to us is;

BF4-(aq) +H20(l) → BF3OH-(aq) + HF(aq)

From this, we can see that the stoichiometric ratio is 1:1:1:1

Thus, concentration of [BF4-] is now;

[BF4-] = 0.150 - 0.0174

[BF4-] = 0.1326 M

From the rate law, we are told the forward rate is kf [BF4-].

We are given Kf = 9.00 × 10^(-4) /min

Thus;

Forward rate = 9.00 × 10^(-4) /min × (0.1326M)

Forward rate = 1.1934 × 10^(-4) M/min

(B) The student claims that the initial rate of the reverse reaction is equal to zero can't be true because at equilibrium, rates for the forward and reverse reactions are usually equal.

Thus, I disagree with the claim.

3 0
3 years ago
_____ NaPO4+_____KOH
Artist 52 [7]
NaPO4 + KOH -> KPO4 + NaOH
already balance
6 0
3 years ago
Gas is contained in a 9.00-L vessel at a temperature of 24.0°C and a pressure of 5.00 atm. (a) Determine the number of moles of
coldgirl [10]

Answer:

a. Moles in the vessel = 1.85 moles of the gas

b. 1.11x10²⁴ molecules are in the vessel

Explanation:

a.It is possible to determine moles of a gas using the general law of gases:

PV = nRT

<em>Where P is pressure: 5.00atm; V is volume = 9.00L; R is gas constant: 0.082atmL/molK; T is absolute temperature: 273.15K +24.0 = 297.15K</em>

<em />

Computing the values:

PV / RT = n

5.00atm* 9.00L / 0.082atmL/molK*297.15K = n

<h3>Moles in the vessel = 1.85 moles of the gas</h3><h3 />

b. With Avogadro's number we can convert moles of any compound to molecules thus:

Avogadro's number = 6.022x10²³ molecules / mole

1.85moles ₓ (6.022x10²³ molecules / mole) =

<h3>1.11x10²⁴ molecules are in the vessel</h3>
3 0
4 years ago
If the molar mass of x (hco3) is 162 g/mol, determine the relative atomic mass of x.
Anastasy [175]

The relative atomic mass of x is 101 u.

Molar mass is calculated by adding the atomic mass of all the elements in a compound.

Molar mass of x(HCO₃) =162 g/mol

Atomic mass of H = 1 g/mol

Atomic mass of C =12 g/mol

Atomic mass of O = 16 g/mol

Therefore, molar mass of x(HCO₃) will be

= x + 1 + 12 + 3 x 16

We know that:

x + 1 + 12 + 3 x 16=162

x + 61 = 162

x = 101 g/mol

The relative atomic mass of x will be 101 u.

Learn more about molar mass here:

brainly.com/question/12127540

#SPJ4

7 0
2 years ago
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