Show:
Gas Laws
Stoichiometry
Chemical Equations & Reactions
Covalent Compounds
Random
100
the amount of force exerted per unit of area of surface
What is pressure?
100
6.022 x 10^23
What is Avogadro's Number
100
Balance the equation for the reaction of Iron (III) oxide with hydrogen to form iron & water Fe2O3 + H2 ------> Fe + H2O
Fe2O3 + 3H2 ------> 2Fe + 3H2O
100
a bond formed when atoms share 1 or more pairs of electrons
What is a covalent bond?
100
-these elements make up the 2nd group on the periodic table -highly reactive
What are the alkaline-earth metals
200
unit of force in SI units
What is a newton?
200
How many moles of hydrogen are needed to prepare 312 moles of ammonia?
468 mol H2
200
Balance this Equation: NH3 + O2 ------> NO + H2O
4NH3 + 5O2 -----> 4NO + 6H2O
200
the energy required to break the bonds in 1 mol of a chemical compound
What is bond energy
200
-make up group 1 -extremely reactive because they only have 1 valence electron
What are the alkali metals?
300
a theory that explains that the behavior of physical systems depends on the combined actions of the molecules constituting the system
What is the kinetic-molecular theory?
300
the maximum quantity of product that a reaction could theoretically make if everything about the reaction works perfectly
What is theoretical yield?
300
the oxidation reaction on an organic compound, in which heat is released
What is a combustion reaction?
300
measure of the ability of an atom in a chemical compound to attract electrons
What is electronegativity?
300
What is chlorine's electron configuration?
1s2 2s2 2p6 3s2 3p6
400
the SI unit for pressure
What is pascal?
400
How many grams of C5H12 form from 1.89 X 10^24 molecules C5H12?
214g C5H8
400
a reaction in which 2 or more substances combine to form a new compound
What is a synthesis reaction?
400
What is the Lewis-Dot structure of Ne?
.. : Ne : ..
400
ion that has a positive charge
What is a cation?
500
number of moles
What is 'n'? (Ex. P=nRT)
500
? = actual yield/theoretical yield
What is the equation for percentage yield?
500
a series of elements that have similar properties and that are arranged in descending order of chemical activity
What is the activity series?
500
H-C-HDraw a Lewis-Dot Structure for formaldehyde (CH2O)
. .. . C . H . . O : . . :O: // H-C-H
500
charged electron emitted during a certain type of radioactive decay
What is a beta particle?