<h3>
Answer:</h3>
Higher or lower pH affect the structure of the enzyme and reduces the enzyme activity.
<h3>
Explanation:</h3>
- Enzymes are biological molecules that speed up the rate of chemical reactions.
- Enzyme activity is affected by several factors which include temperature, pH, and enzyme inhibitors.
- Enzymes work on specific molecules known as substrates. They are substrate-specific.
- Enzymes work best at optimum pH and temperature.
- Higher or lower pH affects the structure and charges of an enzyme thus affecting enzyme activity.
- Lower temperature deactivates the enzymes while higher temperatures denature the enzymes.
Explanation:
It is given that energy to transfer one water molecule is
J/molecule
As it is known that in 1 mole there are
atoms.
So, energy in 1 mole =
J/mol
= 13.3 kJ/mol
As, 
Putting the given values in the above formula as follows.


= 0.08377
= 1.213 =
= 
= 
=
water molecules per oil molecule
Thus, we can conclude that the equilibrium concentration at 293 K, assuming that nothing else changes is
.
<span>40 grams ÷ 40.08 grams/moles = 1 mole</span>
Answer:
The heat of vaporization in kJ/mol of methanol
= 3.48 kJ/mole
Explanation:
Here,the heat of vaporization in kJ/mol is asked to calculate.<em><u>This means it is asked to calculate heat required for 1 mole of methanol.</u></em> Since the substance<em> vaporizes </em>, so this is called <u>heat of vaporization.</u>
Divide the thermal energy with the number of moles .
This is simple mathematics :
If 2.50 mol of liquid require = 8.70 kJ of energy
Then, 1 mole will need =

= 3.48 kJ/mole
<em><u>Follow the units :</u></em>
The heat of vaporization in kJ/mol of methanol is asked.


Unit = kJ /Mole