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102 review

Chem 102 review flashcards

TermDefinition
Above this, a substance cannot be liquidified regardless of the pressure. critical temperature
At higher elevations, what is the effect of pressure on the boiling point of a substance? the boiling point is lowered because the external pressure is lower
At this point, all three phases of a pure substance are present. triple point
What type of bonding is present in a solid which is hard, brittle, has a high melting point, and is a poor conductor of heat and electricity in the solid state but is conductive in the liquid state or in solution? ionic
What type of bonding is present in a solid which is hard, has a high melting point, and is not conductive in the solid state? covalent
What type of bonding is present in a solid which is soft to hard, has a low to high melting point, and is good conductor of heat and electricity in the solid state? metallic
What type of bonding is present in a solid which is soft, has a low melting point, and is a poor conductor of heat and electricity? molecular
What type(s) of intermolecular forces are present between hydrogen bromide and water? dipole-dipole dispersion
What type(s) of intermolecular forces are present between iodine and octane? dispersion
What type(s) of intermolecular forces are present between methanol and methane? dipole induced dipole dispersion
What type(s) of intermolecular forces are present between sodium chloride and ammonia? ion-dipole dispersion
What type(s) of intermolecular forces are present in the pure molecular substance of acetic acid? dispersion dipole hydrogen bonding
What type(s) of intermolecular forces are present in the pure molecular substance of freon, CF2Cl2? dispersion dipole
What type(s) of intermolecular forces are present in the pure molecular substance of methane? dispersion
What type(s) of intermolecular forces are present in the pure molecular substance of methanol? dispersion dipole hydrogen-bonding
What type(s) of intermolecular forces are present in the pure molecular substance of methyl amine? dispersion dipole hydrogen-bonding
Which molecule(s) can form hydrogen bonds with water? formic acid and formaldahyde
Which molecule(s) or ion(s) can form hydrogen bonds with water? hydroxide and ammonia
Which molecule(s) has the intermolecular force of hydrogen bonding in the pure state? ethyl amine menthol
Which pure molecular substance would have the greatest surface tension? methanol
In the reaction of bromine with potassium iodide to produce potassium bromide and iodine, what is reduced and what is the reducing agent? bromine is reduced and potassium iodide is the reducing agent
In the reaction of sodium with water to produce sodium hydroxide and hydrogen gas, what is reduced and what is the reducing agent? hydrogen is reduced and sodium is the reducing agent
In which reaction is iron reduced? iron(III) oxide reacting with carbon monoxide to form liquid iron and carbon dioxide
Which substance is the strongest oxidizing agent? Ag+
Which substance is the strongest reducing agent? Mg
In a redox reaction, the substance oxidized always loses electrons.
In a redox reaction, the substance reduced always gains electons
What is the oxidation number of C in the carbonate ion CO32-? +4
What is the oxidation number of Cr in the dichromate ion Cr2O72-? +6
The units on molarity are moles of solute per liter of solution.
When diluting a solution by adding solvent, what is constant? moles of solute
For an ideal gas, which are inversely related? temperature and the amount of gas
A system which allows for an transfer of energy but not matter is closed
A system which does not allow for an transfer of matter or energy is isolated
Created by: Hajra Maqsoos
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