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RUDIKE [14]
3 years ago
7

Is the element Na a metal or non metal

Chemistry
1 answer:
Bond [772]3 years ago
8 0

Answer:

Metal

Explanation:

Na or sodium though soft... it is a metal...

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Which two changes would make this reaction reactant-favored?
Vera_Pavlovna [14]

Two changes would make this reaction reactant-favored

C. Increasing the temperature

D. Reducing the pressure

<h3>Further explanation</h3>

Given

Reaction

2H₂ + O₂ ⇒ 2H₂0 + energy

Required

Two changes would make this reaction reactant-favored

Solution

The formation of H₂O is an exothermic reaction (releases heat)

If the system temperature is raised, then the equilibrium reaction will reduce the temperature by shifting the reaction in the direction that requires heat (endotherms). Conversely, if the temperature is lowered, then the equilibrium shifts to a reaction that releases heat (exothermic)  

While on the change in pressure, then the addition of pressure, the reaction will shift towards a smaller reaction coefficient  

in the above reaction: the number of coefficients on the left is 3 (2 + 1) while the right is 2

As the temperature rises, the equilibrium will shift towards the endothermic reaction, so the reaction shifts to the left towards H₂ + O₂( reactant-favored)

And reducing the pressure, then the reaction shifts to the left H₂ + O₂( reactant-favored)⇒the number of coefficients is greater

4 0
3 years ago
What does a cell do to a substance in Endocytosis
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Endocytosis is a type of bulk transport which involves the movement of large particles through the membrane in and out
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4 years ago
(2 x 109) x (5 x 105).
Finger [1]

Answer:

114450

Explanation:

2*109 = 218

5*105 = 525

218*525 = 114450

8 0
3 years ago
Read 2 more answers
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