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Chemistry

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Michaela Williamson

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Cards in this guide (7)
What is a base

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."

What happens in a buffer when the level of H ions in solution increases

it accepts H+ ions

How many joules of energy are necessary to heat a sample of water with a mass of 46.0 grams for 0.0

46 calories (or 192, 464 joules) for each Celsius degree.

Why is the era of early humans called stone age

Because it is as old as stone itself.

Who was president when the civil rights act of 1964 act was passed

Lyndon B. Johnson

Which pairing matches the type of substance with an item it donates

Acid:Electron pair;Base:Proton

What is a reactant

A reactant is a substance that participates in and changes during a reaction.

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