Sodium chloride is the chemical name for salt and is composed of sodium and chlorine, so it is a compound.
Answer:
See explanation below
Explanation:
In both cases the central atoms, C in CHCl₃ and O in H₂O, are sp³ hybridized .
Since they are sp³ hybridized we predict an angle between the H-C-Cl and H-O-H of 109.5 º ( tetrahedral ), but two of the sp³ orbitals in water are occupied by lone pairs.
These lone pairs do excercise more repulsion ( need more room ) than the bonds oxygen is making with hydrogen.
As a consequence of this repulsion the angles H-O-H are less than the predicted 109.5º in tetrahedra. ( Actually is 104.5 º)
Answer:
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Explanation:
Let us assume that there is 1 mole of the solution present. The mass becomes:
Mass = fraction of carbon dioxide * Mr of carbon dioxide + fraction of water * Mr of water
Mass = 0.25*44 + 0.75*18
Mass = 24.5 grams
Now, we determine the volume of the solution using:
Volume = mass / density
Volume = 24.5/1 = 24.5 mL
The molarity of a solution is:
Molarity = moles / liter
Molarity = 0.25 / 0.0245
Molarity = 10.2 M
Answer:
the answer is ionic
Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom. ... The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion). A brief treatment of ionic bonds follows
