Number of moles can be calculated from a given volume. example: Calculate the number of moles of gas present in the container of volume 10lit at... View Article
O is in the 6A column, so it has 6 valence electrons. It has total 8 electrons in its atom. The first two electrons will be placed in the 1s... View Article
In aliphatic compounds, the bonds between the carbon and hydrogen atoms are weak. Hence, they can be easily broken. Therefore, aliphatic... View Article
In human umbilical cord there are two umbilical arteries and one umbilical vein. The umbilical cord, which connects your baby to the placenta,... View Article
Electron orbitals that have the same energy levels are called degenerate orbitals. When assigning electrons to orbitals in determining electron... View Article
2H2O2 → 2H2O + O2 Add 2 molecules of hydrogen peroxide and 2 molecules of water. This reaction is of the spontaneous decomposition of hydrogen... View Article
The outermost shell of Calcium must have 8 electrons. Electronic configuration of calcium is = 2,8,8,2 Calcium has a tendency to release 2... View Article
The wavelength is the distance between individual waves. The wavelengths of visible light range from 400 to 700 billionths of a meter. Wavelength... View Article
During cellular respiration, the energy stored in glucose is transferred to ATP. ATP, or adenosine triphosphate, is chemical energy the cell can... View Article
One half the difference between the number of electrons present in the bonding and the anti-bonding orbitals is bond order Bond order (B.O)... View Article
Dichotomous branching is characteristic feature of liverworts e.g. Riccia, Marchantia, Pellia etc. It is a primitive form of branching. It is... View Article
Tide is the vertical rise and fall of the sea level surface caused primarily by the change in gravitational attraction of the moon, and to a... View Article
Always the Standard temperature and pressure (STP) is defined as 0°C (273.15 K) and 1 atm pressure. The molar volume of a gas is the volume... View Article
A polarized wave vibrates in a single plane in space. Since sound waves vibrate along their direction of propagation, they cannot be polarized. A... View Article
Proteins are polymers made out of amino acids. They're naturally occurring, meaning they're made by animals, plants, bugs, fungi, and other... View Article
1 centimeter = 10 million nanometers. A nanometre is 10^-9 metres. A centimetre is 10^-2 metres. 10^-9/10^-2 = 10^-7 Therefore there is... View Article
The electronic configuration of the hydrogen atom is 1s1. In hydrides like NaH, H occurs in −1 state. Whereas in acids as well as oxides, H... View Article
