Explain the role of each factor in chemical weathering (water, acid, and air).
2 answers:
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In a 0.15 m solution of malonic acid, the amount of the malonate anion, c3h2o42-, is .
Explanation:
For the first equlibria;
initial concentration of
initial concentration of
initial concentration of
Let concentration change of
Let concentration change of
Let concentration change of
Let concentration in equilibrium state of
Let concentration in equilibrium state of
Let concentration in equilibrium state of
Therefore,
Which is a quadratic equation in x, solving it gives;
Therefore,
Now for the second equlibria;
initial concentration of
initial concentration of
initial concentration of
Let concentration change of
Let concentration change of
Let concentration change of
Let concentration in equilibrium state of
Let concentration in equilibrium state of
Let concentration in equilibrium state of
Therefore,
Therefore,
The chemical formula of malonic acid is CH2(COOH)2. Malonates include the ionized form of malonic acid as well as its esters and salts. For instance, the diethyl ester of malonic acid is called diethyl malonate.
Polyester and polymers both employ malonic acid as a precursor. Both the scent business and the flavoring sector utilize it. It is employed to regulate acidity. Malonic acid contributes to the production of fatty acids in people. Malonic acid has been found in a number of foods outside of the human body, including red beets, corn, scarlet beans, common beets, and cow milks, although its presence has not been defined. The group of organic substances known as dicarboxylic acids and derivatives includes malonic acid, also known as malonate or H2MALO.
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Answer: Option (D) is the correct answer.
Explanation:
Atomic number of chlorine is 17 and its electronic distribution is 2, 8, 7.
So, in order to attain stability it tends to gain one electron from a donor atom. Therefore, a chlorine ion is formed as .
As it gains only one electron that is why, -1 charge occurs.
Whereas Ar is a noble gas with atomic number 18. As it has completely filled octet so it will be unreactive in nature as it is already stable.
Similarly, He is also a noble gas so it is unreactive in nature.
Atomic number of boron (B) is 5 with electronic distribution 2, 3. So, in order to attain stability it needs to lose 3 electrons.
Thus, we can conclude that Cl is the atom which tends to gain 1 valence electron from another atom in order to become stable.