What does 1+ mean in chemistry?
What does 1+ mean in chemistry?
The -1 means “per” unit. So your first example mol/L-1/s-1 is not correct – it would actually be written as mol L-1 s-1, OR mol/(L s). If it were mol L-1 s-2, this would mean moles per litre per second per second.
What does S-1 mean in physics?
Unit s-1
Meaning of | s-1 |
---|---|
Unit | s–1 |
xpUnit | second power–1 |
SI_unit | Hz (s–1) |
Dim | T–1 |
What does l1 mean?
1.1 Commonly used concentration units Commonly, concentration units are presented using units in the form of mass per volume (e.g. milligrams per litre, mg/L, mg. L-1) for water samples or mass per mass (e.g. milligrams per kilogram, mg/kg, mg.
What is L1 tender?
The L1 tendering system, also called Least Cost Selection Method under which the lowest bidder is given a contract, has been prevalent in the government departments, ministries, public sector undertakings (PSUs) for over 70 years.
What is L1 L2 and L3 support?
L1 — Level 1. L2 — Level 2. L3 — Level 3. Ticket — Incident. L1 support includes interacting with customers, understand their issue and create tickets against it.
What does L1 L2 L3 mean in electrical?
phase to phase
What Colour wire goes in L2?
Blue
What does L1 L2 and L3 mean on a light switch?
Again, some makes of switch may have alternative markings such as L1 L2 and L3. This type of switch is used where two switches control one light, such as at the top and bottom of a stairway. It can also be used as a one way switch, by using the COM and L1 terminals only.
Is black or yellow positive?
Generally black is negative and yellow (unusual) is positive. Some jump cables are both black,or black and red. You can label the clamps with a plus for positive and minus symbol for negative. Don’t cross the cables, damage can result, and they should have protection for the computer built in to the jump cables.
What Colour is associated with electricity?
Electric blue