The volume occupied by gas molecules is negligibly small as compared to the volume occupied by the gas. The first assumption is valid only at... View Article
Potassium ( K ) has an atomic number of 19 which is located in group 1, period 4 of the periodic table. The electronic configuration is... View Article
If we name these two alkyl halides based on the IUPAC nomenclature rules, we get the name as 2-chlorobutanbe for both:they are not the same... View Article
Human resourse development plays an important role in the area of business. This helps to improve the quality of the workers that are involved in... View Article
Rocks are formed naturally when the tiny grains of different minerals get compressed due to the pressure exerted on them. The rock formation... View Article
Global warming is an increase in the Earth's overall temperature, and scientists attribute this increase to the greenhouse effect. When the... View Article
Hexane is an aliphatic saturated hydrocarbon and has five possible structural isomers for that formula CH3(CH2)4CH3 Hexane, CH3CH2CH2CH2CH2CH3,... View Article
Gibbs free energy is the energy associated with a chemical reaction that can do useful work. It equals the enthalpy minus the product of the... View Article
Mn, or Manganese, has the atomic number of 25. Manganese is too brittle to be of much use as a pure metal. It is mainly used in alloys, such as... View Article
Alternating current (AC) electricity is the type of electricity commonly used in homes and businesses throughout the world. While direct current... View Article
Fossils are more common in some kinds of sedimentary rocks than others. Fossils are most common in limestones. That is because most limestones... View Article
The formula for boiling point elevation is ΔTb=Kbm We need to look up the values of Tob and Kb for CSâ‚‚. They are Tob = 46.2 °C and Kb =... View Article
Microwaves refer to specific kinds of electromagnetic waves and are characterized by long wavelengths ranging between 0.04 and 12 inches, and... View Article
Copulatory pads or thumb pads are present in the forelimbs of male frog only, which helps to hold the female frog tightly underneath its body... View Article
In water each hydrogen nucleus is bound to the central oxygen atom by a pair of electrons that are shared between them. Only two of the six... View Article
Carbohydrates are macronutrients, meaning they are one of the three main ways the body obtains energy, or calories. They are the sugars, starches... View Article
The pulmonary circulation is the portion of the cardiovascular system that carries oxygen-poor (deoxygenated) blood from the heart to the lungs... View Article
