Magnesium has a charge of 2+, while oxygen has a charge of 2−. The burning of magnesium metal reacts with oxygen found in the air (oxygen... View Article
Formula mass is defined as the sum of atomic masses of the ions present in the formula unit of an ionic compound whereas molecular mass is the... View Article
Sodium hydrogen carbonate is also known as sodium bicarbonate and it reacts with acetic acid to give sodium acetate and carbon dioxide gas is... View Article
Answer: At 15 °C, benzene has a solubility of 1.79 g/L that is about 0.02 mol/L, it shows benzene has some water solubility. However, many... View Article
The formula for the metal is K, however the formula for the ion is K+. Potassium (atomic symbol: K, atomic number: 19) is a Block S, Group 1,... View Article
A back titration is a titration method where the concentration of an analyte is determined by reacting it with a known amount of excess reagent... View Article
The temperature which above a substance can not exist as a liquid,no matter how much pressure is applied is known to be as critical temperature.... View Article
The scrotum is a sac of skin that hangs from the body at the front of the pelvis, between the legs. It sits next to the upper thighs, just below... View Article
Frog hearts have two atria and one ventricle, while human hearts have two atria and two ventricles. The frog's right atrium gets deoxygenated... View Article
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate. Aluminium sulfate + Barium... View Article
A node is a point along with a standing wave where the wave has minimum amplitude. Nodes are points of zero amplitude and appear to be fixed. At... View Article
Nitrogen has 5 valence electrons. N , is located in group 1 5 , which means that it has 5 valence electrons . Nitrogen exists as diatomic... View Article
Proteins are crated by linking together amino acids into protein links called polypeptide chains. There are twenty amino acids of which 12 can be... View Article
Osmosis refers to the movement of one, less concentrated solvent through a semipermeable membrane to another, more concentrated solvent. it is... View Article
Water ( H2O ) is polar because of the bent shape of the molecule. It also acts as a polar solvent. it has one side that is positively charged and... View Article
A transverse wave is a wave that oscillates perpendicular to its direction of propagation. Light is a wave in which an electric field propagates... View Article
The atomic mass of an element is the weighted average mass of the atoms in a naturally occurring sample of the element. Atomic mass is typically... View Article
There are seven electromagnetic waves. Depending upon the wave length. Gamma ray,X-ray, UV visible light,Infra red microwave radio waves. An... View Article
