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Kipish [7]
3 years ago
11

Which is the correct chemical equation for the following statement? “Sodium reacts with oxygen in a 2 to 1 ratio to produce sodi

um oxide.”
Chemistry
1 answer:
den301095 [7]3 years ago
4 0
I think answer youre looking for is 2Na+O->Na2O . But sadly it is wrong since we dont use  atomic oxygen in reactions. It should be rather
4Na+O2 => 2Na2O but it doesnt correspond to ratios given.
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3 years ago
What stress would shift the equilibrium position of the following system to the left?
Margarita [4]

Answer:

Heating the system

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Since we wish to shift the equilibrium to the left, this means we wish to increase the concentration of products, as an excess in their concentration would make the products react and produce more reactants in order to lower the excess concentration of products.

Since heat is also a product, an increase in heat would shift the equilibrium toward the left, as this would consume the excess of heat by producing the reactants.

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What is the osmotic pressure of a 100 ml of toluene solution that contains a total of 0.005 moles of a polymer dissolved in it a
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That can be mathematical computed from the expression:

Osmotic pressure=C×R×T

Where,

C= Concentration

R=Gas constant

T=Temperature

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=0.005*1000/100

=0.05

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=298

Osmotic pressure= 0.05×0.08206×298

=1.2 atm

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