Gen Chem part 3 ch 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| molecular equation | show 🗑
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| show | 1. Equations that describe the material’s structure when dissolved are called complete ionic equations. 2K+(aq) + 2OH−(aq) + Mg2+(aq) + 2NO3−(aq) ® 2K+(aq) + 2NO3−(aq) + Mg(OH)2(s
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| spectator ions | show 🗑
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| net ionic equations: | show 🗑
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| show | is a chemical equation showing the complete, neutral formulas for every compound in a reaction.
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| show | is a chemical equation showing all of the species as they are actually present in solution.
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| summarizing Aqueous equations:net ionic equation- | show 🗑
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| acid-base reaction or another name is a neutralizing reaction | show 🗑
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| gas-evolution reaction | show 🗑
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| Arrhenius definitions: 1.acids form: 2. Bases: | show 🗑
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| know table 4.2 on page 156! | show 🗑
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| show | 1. You get water! 2. Acid+Base-->water+salt
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| show | 1.a substance in a solution of known concentration is reacted with another substance in a solution of UNKOWN concentration.
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| what is the end point: | show 🗑
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| equivalance point: | show 🗑
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| show | 1. the equivalence point is typically signaled by an indicator. 2. A dye whose color depend on the acidity or basicity of the solution.
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| show | The titrant is the base solution in the burette.
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| show | 1. 2 aqueneous solutions mix to form a gaseous product that bubbles out of solution. 2.Other reactions form a gas by the decomposition of one of the ion exchange products into a gas and water
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| show | Other kinds of reactions involve transferring electrons from one atom to another – these are called oxidation-reduction reactions 2. the reusting of iron, leaching of hair, and production of electiricity in batteries invove redox reactions.
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| show | 1. oxidation: is the loss of electrons 2. reduction: is the gain of electrons.
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| show | Chemists assign a number to each element in a reaction called an oxidation state that allows them to determine the electron flow in the reaction even though they look like them, oxidation states are not ion charges!
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| oxidation states (continued) | show 🗑
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| Know rules for assigning oxidation states on page 164! | show 🗑
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| rules for assigning oxidation states:(rule 1 and 2) | show 🗑
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| rules for assigning oxidation states (rules 3a) | show 🗑
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| show | 3.(b)the sum of the oxidation states of all the atoms in a polyatomic ion equals the charge on the ion N = +5 and O = −2 in NO3–, (+5) + 3(−2) = −1
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| rules for assigning oxidation states rules(4a & 4b) | show 🗑
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| rules for assigning oxidation states rules (rule 5) | show 🗑
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| show | 1. Oxidation and reduction must occur simultaneously a) if an atom loses electrons another atom must take them
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| oxidizing agent: is always reduced | show 🗑
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| show | 1. The reactant that reduces an element in another reactant is called the reducing agent a) the reducing agent contains the element that is oxidized
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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