What does equivalent mean in chemistry?
One equivalent: In reaction stoichiometry, the amount of one substance that reacts with one mole of another substance. This will often (but not always) be a 1:1 mole ratio.
How do you find equivalent in chemistry?
To calculate the equivalent mass of a base, simply divide the molar mass of the base by the number of hydroxyl groups. Take, for example, calcium hydroxide Ca(OH)₂. A few simple calculations yield an equivalent of 37g/mol. To find the equivalent of an acid, divide the acid’s molar mass by the number of protons.
What are equivalent units in chemistry?
Chemists use equivalent units, or equivalents, to express the reactive capacity of a chemical species such as electrons or ions. The number of equivalents is a number that defines how many electrons or ions may be transferred in a chemical reaction.
What is meant by mole equivalent?
The equivalent is formally defined as the amount of a substance (moles) which will react with 6.022 x 1023 electrons. (This is Avogadro’s Number, which is the number of particles in a mole).
What is equivalent concept?
An equivalent concept is “gram equivalent weight” or “gram equivalent” concept. It is based on equivalent weight. Equivalent weight is measure of mass proportion of an element, compound or ion in which it combines with the mass of other chemical entities.
How do you find equivalents?
To calculate molar equivalents for each reagent, divide the moles of that reagent by the moles of the limiting reagent: Note that the molar equivalency of sodium benzoate is 1. This is because sodium benzoate is the limiting reagent. Any reagents used in excess will have a molar equivalency greater than one.
What is milli equivalent?
Medical Definition of milliequivalent : one thousandth of an equivalent of a chemical element, radical, or compound —abbreviation mEq.
What is electrochemical equivalent in electrochemistry?
An electrochemical equivalent (ECE) is the amount of a substance in grams produced or consumed by the passage of one coulomb of electricity in an electrochemical reaction. Electrochemical equivalent can be abbreviated as Eq (grams per coulomb).
How do you calculate equivalents?
What is A0 in chemistry?
The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state. harini63 harini63 AO means atomic orbitals in chemistry… HOPE IT HELPS YOU…
What does chemical equivalent mean?
chemical equivalent. that weight in grams of a substance that will produce or react with 1 mole of hydrogen ion or 1 mole of electrons.
What are the requirements for chemistry?
Requirements for Minors A minor concentration in chemistry consists of Chemistry 105/105LQ (or 151/151LQ in place of 105/105LQ and 206/206L), 106/106L, 205/205L, 206/206L, 309/309L or 315/315L or 322/322L, and three additional credits in chemistry at the 300-level or higher excluding internships, research, and seminar courses.
What are mEq units?
“Meq” is a unit of measurement that is referred to as one-thousandth of an equivalent of a chemical. Meq is used to measure substances with electrolytes. Electrolytes are body compounds that aid in chemical activities such as potassium, calcium, sodium, magnesium, just to name a few.