Kinetics/Equilibrium
Acids/Bases
Redox/Electrochem.
Organic Chem.
Nuclear Chem.
100
In a chemical reaction, the products have a lower potential energy than the reactants. This reaction must have a negative..?

Delta H

100

What will turn phenolphthalein pink?

Base

100

What is the oxidation number of iodine in KIO4?

+7

100

What are the products of a fermentation reaction?

Alcohol and carbon dioxide

100

In a nuclear reactor, the purpose of the moderator is to...?

Slow down neutrons

200

The heat of formation of H2O is...?

-57.8 kcal/mol

200

A water solution contains 0.50 mol of HCL. How much KOH should be added to the HCL solution to exactly neutralize it?

0.50 mol

200

The oxidation number of hydrogen in NaH is...?

-1

200
In a condensation polymerization reaction, the 2 products formed are a polymer and...?

Water

200

Cadmium and Born are commonly used in a nuclear reactor as...?

Control rods

300

As the number of effective collisions between reacting particles increases, the rate of reaction...?

Increases

300

When an acid solution exactly neutralizes a base solution, what acid-base combo will always produce a mixture with a pH less than 7?

Strong acid/weak base

300

What is it called when a redox reaction is forced to occur by the use of an externally applied electric current?

Electrolytic

300

What is the correct molecular formula of 1,2-ethanediol?

C2H4(OH)2

300

Diagnostic injections of radioisotopes used in medicine normally have...?

Short half-lives/ quick elimination from the body

400

According to Reference Table G, which substance will form spontaneously from its elements in their standard states at 1 atm and 298K?

Hydrogen Fluoride

400

According to the Bronsted-Lowry theory, an acid is any species that can...?

Donate a proton

400

Based on Reference Table N, which element will replace Pb from Pb(NO3)2(aq)?

(Mg(s), Au(s), Cu(s), Ag(s))

Mg(s)

400

A hydrocarbon containing one triple covalent bond is classified as...?

an alkyne

400

Radiated food can be safely stored for a longer time because radiation...?

Kills bacteria

500

Solution equilibrium always exists in a solution that is...?

(concentrated, dilute, unsaturated, saturated...)

Saturated

500

At 298K, what metal will release H2(g) when reacted with HCl(aq)?

Zn(s)

500

What is the purpose of a salt bridge?

Allows ion migration

500

Which hydrocarbon is a member of the series with the general formula CnH2n-2?

Ethyne

500

What is the name of the energy released when a nucleus is formed from its nucleus?

Binding energy

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