Chemistry, asked by sachin9225, 1 year ago

Is it possible to react Rb + Al2O3?

Answers

Answered by aman6973
0
hey friend your answer is

I am wondering if the Rubidium (

Rb

Rb

) in gas form can react naturally with Sapphire crystal (

Al

2

O

3

AlX2OX3

)? The temperature is

500 K

500 K

and the pressure is around

1 Pa

1 Pa

to

10 Pa

10 Pa

.

One of the reaction that comes into my mind is

4Rb+Al

2

O

3

⟶2Rb

2

O+Al

2

O

4Rb+AlX2OX3⟶2RbX2O+AlX2O

I was trying to calculate the Gibbs free energy of the reaction, but I could just find the Gibbs free energy for Rubidium and the Sapphire, which is

Δ

G

Rb

=53.1 kJ/mol

ΔGRb=53.1 kJ/mol

and

Δ

G

Al

2

O

3

=−1582.3 kJ/mol

ΔGAlX2OX3=−1582.3 kJ/mol

. I can hardly find the Gibbs free energy for the products.

Is there any other reaction that can occur naturally?

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