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3 years ago

Write the equilibrium constant expression for this reaction: NH(aq)—>NH3(aq)+H+ (aq)

Chemistry

1 answer:

kicyunya [14]3 years ago

5 0

Answer:

$k = \frac{[NH_3][H^+]}{[NH_4^+]}$

Explanation:

The equilibrium constant of a reaction is defined as the ratio of the concentrations of products over concentrations of reactants powered to its coefficients. For the reaction:

aA + bB ⇄ cC + dD

The equilibrium constant, k, is written as:

$k = \frac{[C]^c[D]^d}{[A]^a[B]^b}$

For the reaction:

NH₄⁺(aq) ⇄ NH₃(aq) + H⁺(aq)

The equilibrium constant is:

$k = \frac{[NH_3][H^+]}{[NH_4^+]}$

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METHANOL + ETHANOIC ACID

Sergio [31]

Answer:

if you’re looking for a balanced equation it would be:

Methanol +ethanoic acid ==> methyl ethanoate + water ( in the presence of concentrated sulfuric acid )

CH3OH + CH3COOH==> CH3COOCH3 + H2O

~~~~~~

But, if you were looking for what it would be called it would be:

ethanoic acid with methanol will produce methyl ethanoate.

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And the reaction between Methanol and Ethanoic acid is known as esterification.

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I wasn’t sure of your question so I answered the best way that I could. I hope this helped!

4 0

3 years ago

A 4.00 g sample of a metal (specific heat = 0.600 J g-1°C-1 is heated to 75 degrees Celcius and then dropped into 165 g of water

Bond [772]

Answer:

28.16 °C

Explanation:

Considering that:-

Heat gain by water = Heat lost by metal

Thus,

$m_{water}\times C_{water}\times (T_f-T_i)=-m_{metal}\times C_{metal}\times (T_f-T_i)$

Where, negative sign signifies heat loss

Or,

$m_{water}\times C_{water}\times (T_f-T_i)=m_{metal}\times C_{metal}\times (T_i-T_f)$

For water:

Mass = 165 g

Initial temperature = 28 °C

Specific heat of water = 4.184 J/g°C

For metal:

Mass = 4.00 g

Initial temperature = 75 °C

Specific heat of water = 0.600 J/g°C

So,

$165\times 4.184\times (T_f-28)=4.00\times 0.600\times (75-T_f)$

$690360\left(T_f-28\right)=2400\left(75-T_f\right)$

$692760T_f=19510080$

$T_f = 28.16\ ^0C$

<u>Hence, the final temperature is 28.16 °C</u>

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4 years ago

Are the particles in a gas farther apart or closer together than the particles in a liquid? Use your answer to explain each of t

Mademuasel [1]

farther apart just look up states of matter :)

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2 years ago

What is the name of the molecular compound IF7?

puteri [66]

That would be Iodine Heptafluoride.

Hope this helps!

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3 years ago

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Why do electrons keep moving around the nucleus and not away from the atom

igomit [66]

The atom's center, or nucleus, is positively charged and the electrons that whirl around this nucleus are negatively charged, so they attract each other. The reason the force is strong is because the atom is so small. The distance between the nucleus and the electrons is about 1 Angstrom (named after a famous scientist); this is 0.00000001 cm (10-8 cm) or about 4 billionths of an

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