what is a double bond? A. a total of two covalent bonds between molecules. B. two covalent bonds between adjacent atoms in a molecule. C. two covalent bonds between adjacent molecules
A double bond is a type of covalent bond in which two pairs of electrons are shared between two adjacent atoms in a molecule, making it stronger than a single bond.
Explanation:A double bond is a form of covalent bond where two pairs of electrons are shared between two atoms. In other words, the correct answer to your question is: B. two covalent bonds between adjacent atoms in a molecule. For example, in a molecule of formaldehyde (CH₂O), the carbon atom forms a double bond with the oxygen atom. Similarly, two carbon atoms would form a double bond in ethylene (C₂H4).
Be aware that each bond indicates a sharing of electrons between atoms. Two electrons are shared in a single bond, whereas, four electrons are shared in a double bond, thus making it stronger than a single bond.
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NiCl3 is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.600 M NiCl3 solution.
Answer : The concentration of each of the individual ions are, 0.6 M [tex]Ni^{3+}[/tex] and 1.8 M [tex]Cl^-[/tex].
Explanation : Given,
Concentration of [tex]NiCl_3[/tex] solution = 0.6 M
The balanced chemical reaction will be :
[tex]NiCl_3\rightarrow Ni^{3+}+3Cl^-[/tex]
From the balanced chemical reaction we conclude that, 1 mole of [tex]NiCl_3[/tex] dissociates to give 1 mole of [tex]Ni^{3+}[/tex] and 3 moles of [tex]Cl^-[/tex].
So,
The concentration of [tex]Ni^{3+}[/tex] = The concentration of [tex]NiCl_3[/tex] = 0.6 M
The concentration of [tex]Cl^-[/tex] = 3 × The concentration of [tex]NiCl_3[/tex] = [tex]3\times 0.6M=1.8M[/tex]
Therefore, the concentration of each of the individual ions are, 0.6 M [tex]Ni^{3+}[/tex] and 1.8 M [tex]Cl^-[/tex].
Final answer:
In a 0.600 M solution of NiCl3, which is a strong electrolyte, the concentration of Ni3+ ions is 0.600 M, and the concentration of Cl- ions is 1.800 M, as it fully dissociates in water.
Explanation:
To determine the concentration of individual ions in a 0.600 M NiCl3 solution, we must recognize NiCl3 as a strong electrolyte. This means it will dissociate completely in water to form Ni3+ and Cl- ions.
For every one mole of NiCl3, one mole of Ni3+ ions and three moles of Cl- ions are produced.
The initial concentration of NiCl3 is 0.600 M, meaning the concentration of Ni3+ will also be 0.600 M since there is a 1:1 ratio. Since there are three chloride ions for every one Ni3+ ion, the concentration of Cl- will be 0.600 M x 3 = 1.800 M.
Name the following ionic compounds involving ionic bonds
Differentitate reversible and irreversible process
Which grouping has the least complex body plan? If you were on a research expedition in the kingdom of Tonga, a coral atoll in the South Pacific, would you find these organisms?
Answer:
Um we need more information what animals
Explanation:
A phase diagram assumes ______ is kept constant
A student attempted to identify an unknown compound by the method used in the experiment. She found that when she heated the sample weighing 0.4862g, the mass barely changed, dropping to 0.4855g. When the product was converted to a chloride, the mass went up to 0.5247g. Is the sample a carbonate? What are the two compounds that might be the unknown?
Answer:
The sample is a carbonate.
The unknown samples are Na2CO3 and K2CO3.
Explanation:
Let's assume ,the sample is Na2CO3.
Na2CO3 produces 2 moles of NaCl via formation of Na2O
Number of moles of NaCO3= 0.48262g/106gmol= 4.586×10^-3mol
Mass of NaCl= 2(4.586×10^-3)×58.5=0.536g
Let's assume the sample is K2CO3
K2CO3 produces2 moles of KCl
Number of moles of K2CO3= 0.4862g/138.21gmol
Number of moles= 3.517×10^-3mol
Mass of KCl formed= 2(3.517×10^-3)×74.55=0.5246g
Energy is the ability to do
Sugar is stirred into water to form a solution. In this case, what names do we give to the sugar and water?
A. sugar is the solution; water is the solvent
B. sugar is the solvent; water is the solute
C. sugar is the solute; water is the solvent
D. sugar & water are both solvents
how many moles are in 22 grams of Argon
Answer:
There are 0.5507 moles in 22 grams of argon.
Explanation:
Mass of argon gas = m = 22 grams
Molar mass of an argon gas = M = 39.95 g/mol
Moles of argon gas = n
[tex]n=\frac{m}{M}[/tex]
[tex]n=\frac{22 g}{39.95 g/mol}=0.5507 mol[/tex]
There are 0.5507 moles in 22 grams of argon.
Why is lewis electron-dot diagrams more suitable than electron-shell diagrams illustrating chemical bonds
The Lewis electron dot diagrams are more suitable as they show bonding and lone pair present on atoms.
What are Lewis electron dot diagrams?These are the diagrams depicting bonding between atoms in a molecule as well as the lone pair present on the atoms.It can be drawn for any covalently bonded molecule as well as for co-ordination compounds.
It shows each atom and its position in the molecule using chemical symbol.Formal charge is used for description and comparison of resonance structures.
Although it fails to explain the cause of covalent bond formation and even geometry of molecule.It does not explain the release of energy during formation of covalent bonds.It also breaks the octet rule in case where central atom has more than eight electrons in its valence shell.
They do not account for aromaticity and nor the magnetic behavior and nature of force of attraction.
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