A pH lower than 7 is acidic, while a pH higher than 7 is alkaline. In mathematical terms, pH is the negative logarithm of the molar concentration... View Article
The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds Earth. High above the planet, the atmosphere... View Article
Atomic mass is the mass of an individual atom in atomic mass units. The molar mass of the element nitrogen is 14.0 g/mol. Molar mass of nitrogen... View Article
The atomic weight for these elements are the following. Carbon = 12.01 g/mol Oxygen = 16.00 g/mol Hydrogen = 1.01 g/mol To calculate for the... View Article
The circulatory system is an organ system responsible for transporting blood, nutrient s, gases, and other molecules throughout the body. The two... View Article
Magnetic resonance cholangiopancreatography (MRCP) is a technique for viewing the bile ducts and the pancreatic duct. It can also show the... View Article
Transition elements are usually characterized by having d orbitals. Due to the different symmetries of the d orbitals and the inductive effects... View Article
A scalar quantity has magnitude or size, examples: distance, speed. Vector quantities have both magnitude and direction, examples: force,... View Article
The asymmetry of the water molecule leads to a dipole moment in the symmetry plane pointed toward the more positive hydrogen atoms. The measured... View Article
Answer: The second-largest planet in our solar system is Saturn. Saturn is a primarily gaseous planet and is thought to have a rocky core at... View Article
any number that we want to write as a product of its prime factors, we should find all those prime numbers which when multiplied together form... View Article
The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the... View Article
The concept of electronegativity was introduced by Linus Pauling in 1932; on the Pauling scale. Electronegativity refers to the ability of an... View Article
CaCO3 is the chemical formula of Calcium Carbonate. Its equation can be written like this:Ca2+(aq) +CO32-(aq) → CaCO3(s) Calcium carbonate,... View Article
The chemical formula of calcium oxide is CaO. The molecule is formed by the calcium cation Ca+2 and the oxygen anion O2-, which form an ionic... View Article
The hardest and most highly mineralized substance in the human body is Tooth enamel. It is a tissue and not a bone. This tissue has high mineral... View Article