Answer:
CaSO₄ (calcium suflate) is the precipitate formed
Explanation:
We can think the reactants:
BeSO₄ → Beryllium sulfate
Ca(OH)₂ → Calcium hydroxide
The reaction is:
Be₂SO₄ + Ca(OH)₂ → CaSO₄ ↓ + Be(OH)₂
We call it as a double-replacement reaction because two ions exchange places from 2 compounds to form two new compounds.
Sulfates can always make precipitate with the elements from group 2, Ca, Ba and Mg.
Hydroxides from group 2 are solubles, so we complete states:
BeSO₄ (aq) + Ca(OH)₂ (aq) → CaSO₄ ↓ (s) + Be(OH)₂ (aq)
A single water molecule can form 4 Hydrogen Bonds.
A hydrogen atom that is linked to a highly electronegative atom and another highly electronegative atom that is close by interact with one another to form hydrogen bonds, which are an unique kind of attractive intermolecular interactions. This process is known as hydrogen bonding. Hydrogen, for instance, is covalently linked to the more electronegative oxygen atom in water molecules (H2O). Therefore, the dipole-dipole interactions between the hydrogen atom of one water molecule and the oxygen atom of another H2O molecule are what cause hydrogen bonding to form in water molecules.
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The cation that is likely to be found in place of Fe(ii) in the square planar binding domain of hemoglobin is the Cobalt ions (Co2+)
Cobalt ion is closely related to Iron (ii) ions as a transition metal and can support a square planar coordination environment.
Answer:
No, the metal is not pure gold because density is equal to mass divided by volume and in this case we end up with about 15.3, making this metal less dense than gold.
Explanation:
