"High temperatures make the gas molecules move more quickly" is the one sentence among all the choices given in the question that most likely explains why this reaction is carried out at high temperature. The correct option among all the options that are given in the question is the third option or option "C".
I think it’s B not quite sure ! Sorry
Solutes dissolve in solvents to form a solution. A saturated solution contains just as must solute as it can normally hold.
The solvent in the coffee solution is water and the rest of the chemicals dissolved in the solvent are called solutes. A solution is formed when a solute is dissolved in a solvent.
A saturated solution contains just as much solute as it can normally hold at a particular temperature while a supersaturated solution contains more solute than it can normally hold at a particular temperature.
A polar molecule contains covalent bonds between atoms having an electronegativity difference above 0.5. Such molecules are polar as electrons of the bond are drawn closer to the atom that is more electronegative.
According to Avogadro's law; 6.02 × 10^23 particles is referred to as one mole of particles.
A strong acid has a pH that may range from 0 - 3. A strong base has a pH of around 10 - 14. Water is a neutral substance and has a pH of 7.
From the information provided;
Number of moles of acid = 0.002 moles
Volume of solution= 2 L
Concentration of solution = number of moles/volume = 0.002 moles/2L = 0.001 M
pH = - log[H^+]
pH = - log[0.001 ]
pH = 3
From;
pH + pOH = 14
pOH = 14 - pH
pOH = 14 - 8.5
pOH = 5.5
pOH = - log[OH^-]
[OH^-] = Antilog[-5.5]
[OH^-] = 3.2 × 10^-6 M
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