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Elena L [17]
3 years ago
6

In terms of energy, how would you classify the following chemical reaction? 2CuO + 315 kJ → 2Cu + O2

Chemistry
2 answers:
Snowcat [4.5K]3 years ago
6 0
"Endothermic" is the way among the following choices given that you would <span>classify the following chemical reaction, in terms of energy. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has come to your help.</span>
omeli [17]3 years ago
6 0

Answer: The reaction 2CuO + 315 kJ → 2Cu + O2 is an endothermic reaction.  (Option B)

Explanation: In order to determine what type of reaction is occurring above, you need to know that if heat is being released then it is an exothermic reaction. It can be determined if it would be on the product side. Whilst, if the heat is being absorbed, it would be an endothermic reaction and it would be on the side of the reactants.

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Exactly 1.0 mol N2O4 is placed in an empty 1.0-L container and is allowed to reach equilibriumdescribed by the equation N2O4(g)↔
Vilka [71]

Answer : The correct option is, (C) 1.1

Solution :  Given,

Initial moles of N_2O_4 = 1.0 mole

Initial volume of solution = 1.0 L

First we have to calculate the concentration N_2O_4.

\text{Concentration of }N_2O_4=\frac{\text{Moles of }N_2O_4}{\text{Volume of solution}}

\text{Concentration of }N_2O_4=\frac{1.0moles}{1.0L}=1.0M

The given equilibrium reaction is,

                           N_2O_4(g)\rightleftharpoons 2NO_2(g)

Initially                      c                 0

At equilibrium   (c-c\alpha)           2c\alpha

The expression of K_c will be,

K_c=\frac{[NO_2]^2}{[N_2O_4]}

K_c=\frac{(2c\alpha)^2}{(c-c\alpha)}

where,

\alpha = degree of dissociation = 40 % = 0.4

Now put all the given values in the above expression, we get:

K_c=\frac{(2c\alpha)^2}{(c-c\alpha)}

K_c=\frac{(2\times 1\times 0.4)^2}{(1-1\times 0.4)}

K_c=1.066\aprrox 1.1

Therefore, the value of equilibrium constant for this reaction is, 1.1

4 0
2 years ago
Ions that are present before and after a neutralization reaction are
VikaD [51]

Answer:

spectator ions

Explanation:

8 0
3 years ago
Why doesn't glass exhibit crystalline form
ser-zykov [4K]
It doesn't have a 3 dimensional pattern
7 0
3 years ago
Question 6: Iron metal and chlorine gas react to form iron (III) chloride: 2 Fe(s) + 3 Cl2 (g) → 2 FeCl3 (s)
Bas_tet [7]

10 gm of Fe will consumes 19 gm Cl₂ and will produces 29 gm FeCl₃.

What ois Theoretical yield ?

The quantity of a product obtained from a reaction is expressed in terms of the yield of the reaction.

The amount of product predicted by stoichiometry is called the theoretical yield, whereas the amount obtained actually is called the actual yield.

  • As 2 moles (111.68 g) of Fe consumes 213 gm of Cl₂ to produce 2FeCl₃

Therefore ,

10 gm of Fe will consumes = 213 / 111.68 x 10 = 19 gm Cl₂

  • As 2 moles (111.68 g) of Fe produces 2 mole (324 gm) of FeCl₃

Therefore ,

10 gm of Fe will produces = 324 / 111.68 x 10 = 29 gm FeCl₃

Hence , 10 gm of Fe will consumes 19 gm Cl₂ and will produces 29 gm FeCl₃.

Learn more about Theoretical yield here ;

brainly.com/question/12704041

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4 0
2 years ago
What type of reaction is: CaO + H2O -&gt; Ca(OH)2?
asambeis [7]

Answer:

Combination reaction

8 0
3 years ago
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