Return of the Chemistry Game before trials! (2 Viewers)

[Emma-Jayde]

EDTA: Acronym for ethylene diaamine tetraacetate (C₁₀H₁₆N₂O₈)

 

[lfc_reds2003]

algal bloom - rapid growth of algae because of increased levels of phosphorus and nitrogen levels in the form of phosphates and nitrates usually from sewage and ag runoff

 

[Emma-Jayde]

Meniscus (sp?): The curved surface of a liquid that forms in containment vessel. As an exmaple, the meniscus is convex for mercury and is concave for water

 

[Jumbo Cactuar]

Single Bond : A covalent bond formed by the sharing of two electrons between two nuclei.

 

[Emma-Jayde]

Dehydration: The removal of water from a substance by heating it, placing it in a dry atmosphere or using a dehydrating (drying) agent.

 

[lfc_reds2003]

N:

non-destructive analysis: sample tested is recoverable

an example is using a pH probe instead of an indicator

 

[Emma-Jayde]

Salt bridge: Either a tube filled with a concentrated solution of an electrolyte, or a permeable material (eg, paper towel, candle wick) soaked in a concentrated solution of an electrolyte. The salt bridge is used to connect two half-cells of an electrochemical cell and conduct electricity between them while preventing their contents from mixing.

 

[lfc_reds2003]

E:

excited state : (besides the state i am in due to this game lol) , in AES - electron gains energy and jumps energy levels to an 'excited state'


ENJOY ANOTHER E lol

 

[Emma-Jayde]

Electrolyte: An ionic solution that conducts electricity.

Mwa ha ha, and AGAIN with the E!

 

[lfc_reds2003]

eeeek another e

E: E.coli - quite harmless bacteria (to humans) but is a signal that water is contaminated with sewage.....

i..... interesting hehe

 

[Emma-Jayde]

I...Hmmmmmmmm

Immiscible: 2 (or more) substances which cannot be mixed together
Examples: oil and water, CH₂Cl₂ and water

 

[Dreamerish*~]

excited electrons (alliteration, too!): electrons which have absorbed energy, and are able to jump to a higher energy level in the atom.

 

[Emma-Jayde]

Separatory funnel: A pear-shaped glass funnel designed to permit the separation of immiscible liquids by pouring off the more dense liquid while leaving the less dense liquid in the funnel

 

[lfc_reds2003]

L:

Litmus - a dye extracted from lichens

 

[Dreamerish*~]

Lime Water: Ca(OH)₂, which turns milky in the presence of CO₂.

 

[Emma-Jayde]

Spectator ion: An ion that is present during the course of an aqueous reaction but does not take part in the reaction.

Never knew litmus came from lichen!

 

[lfc_reds2003]

N: now you know

hehehe


N:

NTU: the units of turbitiy

 

[Dreamerish*~]

Spectator ion: An ion that is present during the course of an aqueous reaction but does not take part in the reaction.

Never knew litmus came from lichen!

that's EXACTLY what i wrote before, except BoS screwed up and i didn't get it posted. you mind-reader.

Nickel-Cadmium Cell: consists of a cadmium, cadmium hydroxide negative electrode and a nickel, nickel oxide, hydroxide positive pole, both in contact with a potassium hydroxide electrolyte:

Cd, Cd(OH)₂ | KOH | NiO₂, Ni(OH)₂, Ni

rechargable battery

 

[Emma-Jayde]

Lanthanides : The row of elements beneath the periodic table, from cerium to lutetium. Also called rare earths

lol Dreamerish, that is really odd!!!

 

[lfc_reds2003]

interesting


S:

soap - most commonly sodium stearate -