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yulyashka [42]
3 years ago
7

Ammonia is an important ingredient in many fertilizers. The main process by which ammonia is made is the Haber process. In this

process, nitrogen gas and hydrogen gas are reacted to form ammonia at high temperatures. This sentence most likely explains why this reaction is carried out at high temperature.
A.) Ammonia is unstable at room temperature.
B.) High temperatures increase the activation energy of the reaction.
C.) High temperatures make the gas molecules move more quickly.
D.) The reaction becomes exothermic at high temperatures.
Chemistry
2 answers:
Basile [38]3 years ago
8 0
"High temperatures make the gas molecules move more quickly" is the one sentence among all the choices given in the question that most likely explains why this reaction is carried out at high temperature. The correct option among all the options that are given in the question is the third option or option "C".
Doss [256]3 years ago
5 0

Answer:

3rd one / C

Explanation:

The correct answer is that "The highest temperatures make the gas molecules move more quickly."

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4. Given the balanced equation: 2Na + S → Na₂S
PtichkaEL [24]

Answer:

Option D. 30 g

Explanation:

The balanced equation for the reaction is given below:

2Na + S —> Na₂S

Next, we shall determine the masses of Na and S that reacted from the balanced equation. This is can be obtained as:

Molar mass of Na = 23 g/mol

Mass of Na from the balanced equation = 2 × 23 = 46 g

Molar mass of S = 32 g/mol

Mass of S from the balanced equation = 1 × 32 = 32 g

SUMMARY:

From the balanced equation above,

46 g of Na reacted with 32 g of S.

Finally, we shall determine the mass sulphur, S needed to react with 43 g of sodium, Na. This can be obtained as follow:

From the balanced equation above,

46 g of Na reacted with 32 g of S.

Therefore, 43 g of Na will react with = (43 × 32)/46 = 30 g of S.

Thus, 30 g of S is needed for the reaction.

8 0
2 years ago
Covalent bonding involves the sharing of electrons to create a full valence shell, and
Leno4ka [110]
True. Covalent bonds involve sharing electrons to create a full valence shell.
8 0
2 years ago
Read 2 more answers
Please answer the question
Tom [10]

Answer:

Stamens

Explanation:

7 0
2 years ago
A 76.0-gram piece of metal at 96.0 °C is placed in 120.0 g of water in a calorimeter at 24.5 °C. The final temperature in the ca
Phoenix [80]

The specific heat capacity of the metal given the data from the question is 0.66 J/gºC

<h3>Data obtained from the question</h3>
  • Mass of metal (M) = 76 g
  • Temperature of metal (T) = 96 °C
  • Mass of water (Mᵥᵥ) = 120 g
  • Temperature of water (Tᵥᵥ) = 24.5 °C
  • Equilibrium temperature (Tₑ) = 31 °C
  • Specific heat capacity of the water (Cᵥᵥ) = 4.184 J/gºC
  • Specific heat capacity of metal (C) =?

<h3>How to determine the specific heat capacity of the metal</h3>

The specific heat capacity of the sample of the metal can be obtained as follow:

Heat loss = Heat gain

MC(M –Tₑ) = MᵥᵥCᵥᵥ(Tₑ – Tᵥᵥ)

76 × C × (96 – 31) = 120 × 4.184 × (31 – 24.5)

C × 4940 = 3263.52

Divide both side by 4940

C = 3263.52 / 4940

C = 0.66 J/gºC

Learn more about heat transfer:

brainly.com/question/6363778

#SPJ1

6 0
1 year ago
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lidiya [134]
I will, but do you find that we have our own priorities in life? Do you find that life is worth finding a real job? Life is worth finding a real pastime? Life is worth fiding a real place to belogn?
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