To convert fraction to a percent, you just need to multiply the fraction by 100 and reduce it to percent. Here are a few examples that will give... View Article
Solution: Cos 135°= cos(90°+45°) Now, take the values a = 90° and b = 45° By using the formula, Cos(a+b) = cos a cos b – sin a sin b So, it... View Article
The empirical formula is the simplest formula for a compound which is defined as the ratio of subscripts of the smallest possible whole number of... View Article
Hexane is an alkane consisting of six carbon atoms with a chemical formula C6H14. Hexane is a nonpolar molecule with weak intermolecular... View Article
Dimensional analysis is the practice of checking relations between physical quantities by identifying the dimensions of the physical quantities.... View Article
Answer: In arithmetic, the least common multiple or LCM of two numbers say a and b, is denoted as LCM (a,b). The LCM is the smallest or least... View Article
We need to find the value of cos 75o cos 75o = cos (30+45) The values of sin 45, sin 30, cos 45 and cos 30 are commonly known. The values of... View Article
Answer: 75% To convert a fraction to a percent, you just need to multiply the fraction by 100 and reduce it to percent. To convert a fraction... View Article
The IUPAC name of DDT is 1,1'-(2,2,2-trichloroethane-1,1-diyl)bis(4-chlorobenzene). DDT, or dichlorodiphenyltrichloroethane, is a chemical... View Article
Frequency is the revolutions per second or number of wave cycles. The Frequency is expressed in Hertz (Hz). If one considers any wave in terms... View Article
A chiral centre is an atom that has four different groups bonded to it in such a manner that it has a non-superimposable mirror image. The term... View Article
The centimetre (cm) is a unit of length in the metric system, equal to one-hundredth of a meter. The millimetre (mm) is a unit of length in the... View Article
An atomic unit of mass is defined as accurately 1/12 the mass of a carbon-12 atom. The carbon-12 atom has six neutrons and six protons in its... View Article
The Taylor theorem expresses a function in the form of the sum of infinite terms. These terms are circumscribed from the derivative of a given... View Article
Calcium with atomic number 20 is represented in the periodic table with the symbol Ca. Atomic mass in an atom or group of an atom is the sum of... View Article
An electron is a subatomic particle commonly represented as e– or e. It posses negative polarity. An electron inherits the properties like... View Article
