The equation below shows lithium reacting with nitrogen to produce lithium nitride. 6Li + N2 2Li3N If 12 mol of lithium were reacted with excess nitrogen gas, how many moles of lithium nitride would be produced?
Answers
Answer:
4 moles of Li₃N will be produced in this reaction
Explanation:
The reaction is:
6Li + N₂ → 2Li₃N
If the nitrogen gas is the excess reactant, the limiting must be the lithium.
You always have to make calculations with the limiting reactant. You never use the excess reagent.
Ratio is 6:2.
The rule of three to solve this is:
6 moles of lithium can produce 2 moles of nitride
Therefore, 12 moles of Li must produce (12 . 2) / 6 = 4 moles of nitride
Answer:
4.0 moles of lithium nitride will be produced
Explanation:
Step 1: Data given
Number of moles lithium (Li) = 12.0 moles
Nitrogen gas (N2) is in excess.
Step 2: The balanced equation
6Li + N2 → 2Li3N
Step 3: Calculate moles of lithium nitride (Li3N)
For 6 moles Lithium we need 1 mol nitrogen gas to produce 2 moles lithium nitride
For 12.0 moles lithium we'll have 12.0/ 6 = 2.0 moles nitrogen gas to react to produce 12.0 / 3 = 4.0 moles lithium nitride
4.0 moles of lithium nitride will be produced
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Answers
Answer:
Cosmic microwave background and Hubble's Law.
Explanation:
Microwave background is basically electromagnetic radiation, but it's the remanent from earlier periods of the universe, they are the oldest electromagnetic wave in the Universe. Also, Hubble's Law says that the Universe faster galaxies are those are further away, because they belong to the first period of the explosion.
Answers
This is a "Exothermic Reaction."
I did the same test and this was the correct answer.
I hope this helps!
Answers
Answer: In the following equation, is considered as a binary compound.
Explanation: A binary compound is considered as a compound having 2 elements only. In the following chemical equation:
There are 2 compounds present because compound is defined as the chemical combination of two or more elements in a fixed ratio.
In the equation, compounds are: and
consists of 2 elements which are hydrogen and oxygen and hence is considered as a binary compound.
consists of 3 elements which are sodium, hydrogen and oxygen and hence, cannot be considered as a binary compound.
c. Electrolytes
b. Lead sulfate
d. Zinc oxide
Answers
Answer:
b
Explanation:
(2) NaOH(aq) + HCl(aq) -->NaCl(aq) + H2O(l) + heat
(3) H2O(l) + heat --> H2O(g)
(4) H2O(l) + HCl(g) -->H3O+(aq) + Cl-(aq) + heat
Answers
The equation where the term heat represents the heat of fusion is NaCl(s) + heat -->NaCl(l).
The heat of fusion is the heat required to break the intermolecular interactions in a solid as it is converted to the liquid. Hence, the process of fusion is the process of converting a solid into a liquid.
Examining the equations shown in the options closely, we will discover that in the equation; NaCl(s) + heat -->NaCl(l), heat is supplied to sodium chloride solid and it is converted to liquid. The heat involved in this process is the heat of fusion.
Learn more: brainly.com/question/24775418
Answer:
The answer is 1
Explanation: