Stoichiometry has to do with __________ in a chemical rxn
What is amounts
100
Water has a pH of
What is 7
200
The most reactive elements on the Periodic Table
What are the Halogens
200
These form between metals and nonmetals, and they bond via _____________ forms
(there are TWO parts to this question)
What is ionic bonds, electrostatic forces
200
Six types of chemical reactions are
What is acid-base, single replacement, double replacement, combustion, synthesis, decomposition
200
This is the reactant that determines how much of a chemical reaction can proceed
What is limiting reactant
200
Bleach is a strong _______ (acid/base)
What is base
300
The name used to describe this code: 1s2,2s2,2p6,3s2...
What is electron configuration
300
The weakest intermolecular bond is the ____________ because of its ____________ dipoles
What is dispersion bond, temporary (or instantaneous)
300
An acid-base reaction is also known as a double replacement reaction. Give another name for an acid-base reaction. Hint: Consider what happens to the pH of a solution when a similar strength acid and base are mixed.
What is neutralization rxn
300
Percent yield focuses on the _______________, whereas atom economy focuses on the _____________________.
What is desired product yield, waste of the entire process
300
The three types of acid/base definitions
What is Arrhenius, Bronsted-Lowry, Lewis
400
These are found in the nucleus, and their masses combine to determine the ____________ of the atom
(there are TWO parts to this question)
What is proton, neutron, atomic mass
400
Carbon will always form a __________________ shape because of its ___(number)__________ valence electrons
What is tetrahedral, four
400
DAILY DOUBLE
Name this compound and perform the following calculations on it (show units with appropriate number of digits after the decimal spot):
Na= 22.990 amu
N = 14.007 amu
O = 16.000 amu
QUESTIONS:
Name of the molecule NaNO3 = _______
What is the molecular weight of NaNO3?
How many grams are in 2.4 moles of NaNO3?
How many moles are in 1.5 grams of NaNO3?
400
The unit for molecular weight is ____________. The unit for theoretical yield is __________ and the formula for percent yield is
(there are THREE parts to this question)
What is g/moL, grams, (actual yield/theoretical yield) x 100
400
Acids contain this kind of ion
What is hydrogen ion
500
The name of an atom with an unusual number of neutrons
What is isotope
500
Ammonia has a _______________ shape, whereas the ammonium ion has a ___________ shape
What is trigonal pyramidal, tetrahedral
500
Balance the following equation and state what the reaction type is:
Reaction type: ____________________
____BaCl2(aq) + _____Na2S04(aq) -->
_____NaCl(aq) + _____BaSO4(s)
What is double replacement
__1__BaCl2(aq) + ___1__Na2S04(aq) -->
__2___NaCl(aq) + __1___BaSO4(s)
500
DAILY DOUBLE
Suppose you conduct the reaction __Zn (s) + __HCl (aq.) -> __ZnCl2 (aq.) + __H2 (g) with 5 grams of Zn and an excess of HCl. If you produce 0.139 grams of H2, what is the percent yield of hydrogen gas?
Zn = 65.380 amu
Cl = 35.453 amu
H = 1.008 amu
500
The name of the PRODUCT that is formed when an acid changes by losing a proton