<span>Using a mixture of water, sand, and chemicals under high pressure to free tightly held oil and natural gas is known as Hy</span>draulic fracturing.
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This is a process commonly practiced in the United states where millions of gallons of water, sand, and chemicals are pumped underground. This is used to break apart the rock bed and release the gases that are deep in the ground.</span>
Answer:
C and D
Explanation:
the periodic table has horizontal groups...
the distribution of electrons...
Answer is: pH of a buffer is 4.64.
ck(CH₃COOH) = 0.45 M.
cs(CH₃COONa) = 0.35 M.
Ka = 1.8·10⁻⁵.
<span>pKa = -logKa.
</span>pKa = -log(1.8·10⁻⁵) = 4.75.
<span>Henderson–Hasselbalch equation: pH = pKa + log(cs/ck).
</span>pH = 4.75 + log(0.35M/0.45M).
pH = 4.75 - 0.11.
pH = 4.64.
pH (potential of hydrogen) is a numeric
scale used to specify the acidity or basicity an aqueous solution.
Option No. 1 at the cathode in both an electrolytic cell and a voltaic cell
Negative ion arrives at the anode, attracted by electrostatic forces, where they lose electrons. Loss of electrons is defined as oxidation.
The reverse process occur at the negative electrode, where positive ions pick up electrons. They are reduced.
