The density of magnesium will be 1.74 g/cm³ if 23.5 g of magnesium occupies 13.5 cm³
<h3>What is Density ?</h3>
Density is the measurement of how tightly a material is packed together.
It is defined as the mass per unit volume.
Given ;
- Mass = 23.5 g
- Volume = 13.5 cm³
Formula to calculate density ;
Density = mass / volume
=23.5 / 13.5 = 1.74 g/cm³
Hence, the density of magnesium will be 1.74 g/cm³ if 23.5 g of magnesium occupies 13.5 cm³.
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Electrolysis of water involves the decomposition of water into oxygen and hydrogen gas by passing an electric current through water. The positively charged ion (hydrogen ion) moves to the negative electrode (cathode) during electrolysis, while the negatively charged ion (OH-) moves to the positive electrode (anode). Therefore, the half equation that occurs at the cathode during the electrolysis of water will be;
4H+(aq) + 4e- = 2H2 (g)
The answer is milk spoils because spoiling doesn't have to to with the chemical foundation.
Answer:
This structure shows that, "<span>Water is polar, which means it has an uneven distribution of charge making it a good solvent of other polar molecules".
Explanation:
When the Electronegativity difference between two atoms joint through covalent bond is greater than 0.4 and less than 1.7, then the bond is said to be polar bond, and molecule containing polar bonds with asymmetry are said to be polar molecules. In water the Electronegativity difference between Oxygen atom and Hydrogen atom is calculated as,
E.N of Oxygen = 3.44
E.N of Hydrogen = 2.20
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Difference 1.24
Hence, the bond is Polar covalent bond.
Secondly, as we know that Like dissolves Like, so water being polar in nature will interact with polar compounds. And polar compounds will tend to dissolve in water. So, water is a good solvent for polar compounds.</span>