Tutor profile: Ranelle A.
Subject: Physical Chemistry
What happens to the boiling point of water when placed in an elevated area?
The boiling point of water is lower when placed in an elevated area. Elevation causes a decrease in atmospheric pressure which also lowers the vapor pressure. Hence, a lower boiling point is observed since less heat is needed to reach the boiling point.
Subject: Basic Chemistry
How does soap or detergent remove dirt?
Soap contains hydrophilic head and hydrophobic tail. Dirt and oil adhere to the hydrophobic tail which also suspends the dirt on water. Thus, dirt is removed by washing off with water.
Subject: Agricultural Science
Do I need to follow the formulation stated on the pesticide label?
Yes. The pesticide labels contain the correct way of using the chemicals. Following the stated formulation will result in the highest effectivity of the chemical and even the least possible health hazards it can cause.
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