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☆☆☆☆☆In chemistry, a base is the opposite of an acid. It has a pH higher than 7. When mixed with an acid it forms a neutral solution with a pH of 7.
acid + base = water + salt.
properties include: bitterness, slimy or soapy, and turns litmus paper blue.
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A base is also an article on which something stands or a military installation.
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In sports, a base is one of four plaques fixed to the ground (or other object designated for this function) that must be touched by a runner, without being touched by the ball that is in play, before he or she can score a point in the game.
Base: a substance which when added to water produces hydroxide ions [OH-].
Base Properties: When dissolved in water, bases Conduct electricity Change red litmus to blue Have a slippery feeling React with acids to neutralize their properties."
A "strong" acid (or base) is one that dissociates completely in dilute aqueous solution. One which does not is a "weak" acid (or base). An acid with a pKa (or a base with a pKb) lower than about -2 is considered to be a "strong" acid.
Weak acids and bases can still be quite corrosive. HF is a "weak" acid with a pKa of around 3.2 (which corresponds to only about one molecule out of every 38 or so being dissociated), but it's pretty terrible stuff and will dissolve even glass.
HCI (Hydrochloric acid)
Solid, liquid, and gas exist together.
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1/2 is less than one.
Engineers design new products that you buy. They design everything from bridges to planes to computers.
Normal reaction happens when the reaction is normal. Abnormal reaction happens when the reaction is abnormal.
Katia was going to teach them a lesson they'd never forget.
No way, she thought, this is ridiculous.
It increases the number of high-energy collisions
Dynamite exploding
Ka= [h+][HCO3-]/[H2CO3]
Kc is the equilibrium constant of a chemical reaction; Kp is the equilibrium constant of a chemical reaction at constant pressure.
as concentration increase the faster the rate of reaction and vice versa
The placebo effect can causes the dependent variable to change without any causative reason. This distorts the results for the control set in an experiment.
The reaction shifts to remove the heat APEX
savage and war-hungry
An equation that relates the reaction to the concentrations of the reactants
sodium hydroxide
HI
0.5
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