As known, the liquid only boils when its vapor pressure equals atmospheric pressure. But in case of addition of non-volatile solute to the solvent, the pressure of the vapor is reduced. As to boil the solution, the temperature has to be increased additionally so that its vapor pressure is the same as atmospheric pressure. The … Read more
ZIFT is an assisted reproductive technology, that is similar to the in vitro fertilization technology and the transfer of the embryo, but the difference is that in this technique the embryo is transferred to the fallopian tube. Due to the transfer of the fertilized eggs, directly into the tubes, this process is also known as … Read more
Introduction. Water pollution refers to the contamination of water bodies through the release of harmful chemicals into water bodies. This is detrimental to living organisms that live in or come into contact with polluted water bodies. Causes of Water Pollution Industrial waste. Factories and industries usually produce large amounts of toxic chemical waste. Discharge of … Read more
Vegetative reproduction is the asexual reproduction in the plants. In this type of reproduction, only one plant part is involved and the new offspring is developed from the one parent only. There are two types of vegetative reproduction, natural and artificial. Many asexual vegetative propagation techniques have been developed by the horticulturists and they … Read more
The definition of Raoult’s law says that the solvent’s vapor pressure above the solution is equivalent to pure solvent’s vapor pressure at the same temperature which can be measured by the solvent’s mole fraction, it’s represented as: Psolution = χ solvent * Po solvent…….. (1) Raoult’s Law Regarding Volatile Solutes Raoult’s law states that in … Read more
Variation is used to measure and study the genetic differences, which are existing in the population. Collectively, the genetic variation of the entire species is known as genetic diversity. These variations are described as the differences, in the segments of genes, or DNA. There are various factors, which reshuffle the alleles, within the population, and … Read more
Vaccine or immunology is a substance that teaches the body how to recognize and protect itself against a disease-causing agent, e.g. a virus or bacterium. Even Most licensed vaccines are over 90 There is still no HIV vaccine is available which is 100 Although, preventions that has been proved have slowed HIV’s spread – but … Read more
Vaccines, are medicines that help our body tofight any disease. They can make the immune system stronger to recognize and destroy harmful substances or bacteria’s. There are 2 types of cancer vaccines: 1-Prevention vaccines 2-Treatment vaccines Cancer prevention vaccines Prevention vaccines are given to healthy people bydoctorsto keep certain cancers from developing. Just like the … Read more
AIDS is the most dangerous and last stage of HIV infection. Once HIV infection proceedsinto AIDS, infections are a greater risk. If HIV infection is not treated properly it’s likely to develop into AIDS as the immune system continuously wears down. However, advances in ART mean than an ever-decreasing number of people progress to … Read more
Colligative properties – a relative lowering of vapor pressure As per the definition, those solution’s properties which is dependent on solute molecules’ number, regardless of their behavior, w.r.t to total molecules’s number having its presence in the solution are defined as the colligative properties. For the solution, freezing point’s depression, relative vapor pressure’s lowering, … Read more