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galben [10]
3 years ago
9

Which of the following statements about FUSION is correct?

Chemistry
2 answers:
MissTica3 years ago
7 0

Answer:

answer is option B.....

Serggg [28]3 years ago
6 0

Answer:

The first point is correct

Explanation:

Unlike fission, which is similar to radioactive decay, fusion does not occur naturally and this is due to the strong repulsive electrostatic forces which pull the positively charged nuclei apart from coming together and collide for fusion to occur.

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Which element below is the most reactive? Hydrogen chlorine neon oxygen
trapecia [35]

Answer:

Chlorine

Explanation:

Chlorine has an atomic number of 17 and a configuration of 2, 8, 7. In the outermost shell, it has 7 seven electrons which means that it needs just one more electron to attain an octet configuration in that shell. Therefore it's can react quickly with any nearby nucleophile.

5 0
3 years ago
Read 2 more answers
What is the enthalpy change for this reaction?
Mrrafil [7]

Answer:

Do you have a picture

or can you state the reaction

5 0
2 years ago
Tetrabromoethane with zinc​
Fantom [35]

The answer of the the reaction between tetrabromoethane and zinc is the image below. Acetylene and two zinc bromide are formed

7 0
3 years ago
write the balanced net ionic equation for the reaction of aqueous sodium sulfide with aqueous lead(II) nitrate
ryzh [129]

The balanced net ionic equation for the reaction of aqueous sodium sulfide with aqueous lead(II) nitrate is Pb2+(aq) + S2-(aq) ===> PbS(s).

The chemical equation known as the net ionic equation only displays the substances that are directly involved in the chemical process. It is described how to write a net ionic equation. We only need to take out the spectator ions in order to formulate the net ionic equation. We are left with the net ionic equation after removing the spectator ions! The net ionic equation can be obtained by repeating this procedure for any reaction.

Na2S(aq)   +   Pb(NO3)2(aq)   ===>   2NaNO3(aq)   +   PbS(s)  ...  molecular equation

sodium sulfide....lead(II) nitrate .........sodium nitrate.....lead sulfide

2Na+(aq) + S2-(aq) + Pb2+(aq) + 2NO3-(aq) ==> 2Na+(aq) + 2NO3-(aq) + PbS(s) ...  complete ionic equation

Pb2+(aq) + S2-(aq) ===> PbS(s)  ...  net ionic equation

To know more about net ionic equation refer to:  brainly.com/question/22885959

#SPJ4

7 0
1 year ago
Predict whether the equilibria
IceJOKER [234]

Answer:

The correct answer is option 4.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

For exothermic reaction :ΔH = negative

  • If the temperature is increased, so according to the Le-Chatlier's principle , the equilibrium will shift in the direction where decrease in temperature occurs.So, equilibrium will move in backward direction.
  • If the temperature is decreased , so according to the Le-Chatlier's principle , the equilibrium will shift in the direction where increase in temperature occurs.So, equilibrium will move in forward direction.

For the given equation:

I) CO_2(g) + 2 NH_3(g) \leftrightharpoons CO(NH_2)_2(s) + H_2O(g) ,ΔH° = -90 kJ

On Increasing the temperature

This is an exothermic reaction, backward reaction will decrease the temperature. Hence, the equilibrium will shift in the left direction that is towards reactants.

II) Ni(s) + 4 CO(g)\leftrightharpoons Ni(CO)4(g) ,ΔH° = -161 kJ

On Increasing the temperature

This is an exothermic reaction, backward reaction will decrease the temperature. Hence, the equilibrium will shift in the left direction that is towards reactants.

3 0
3 years ago
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