100% Solved
- reacting particles must collide
- collisions have proper orientation
- particles must have a strong enough energy to collide - ✔✔✔-Name three ways reactions
occur?
-1 - ✔✔✔-Fluorine oxidation #
-1; other +# if combined with a higher element that necessitates it having a different ox. # -
✔✔✔-group 7A (other than fluorine) oxidation #
-2 oxygen
-1 group 17
+2 group 2A
+1 group 1A
-1 or +1 Hydrogen - ✔✔✔-oxidation states
-2; other -# if combined with a higher element that necessitates it having a different ox. # -
✔✔✔-O oxidation #
(actual yield / theoretical yield) x 100% - ✔✔✔-equation for percentage yield
(q)p = ^U + P^V - ✔✔✔-heat released or absorbed at constant pressure
(q)v = ^U - ✔✔✔-heat released or absorbed at constant volume formula
(s) < (l) < (g) - ✔✔✔-Which arrangement accurately describes the standard entropy values at
different phases?
,Straighterline Chemistry 101 Final Exam with Questions and Smart Answers –
100% Solved
[(n x atomic mass of element) / molecular or formulas mass of compound] x 100% - ✔✔✔-% by
mass of an element
^H = ^U + P^V - ✔✔✔-change in enthalpy formula
^U = q - P^V - ✔✔✔-change in internal energy of a system
^U = q + w
q=heat (+ endothermic, - exothermic)
w=work (+ work done on system, - work done by system) - ✔✔✔-change in internal energy
formula
+1 - ✔✔✔-group 1A oxidation #
+1; -1 if combined with group 1A or 2A metals to form a metal hydride - ✔✔✔-H oxidation #
+2 - ✔✔✔-group aA oxidation #
= charge / charge or mass - ✔✔✔-mass of an electron
0 - ✔✔✔-The oxidation number of any element, in its elemental form, is...
1s22s22p63s23p5, p-block, main group - ✔✔✔-
1s22s22p63s23p64s23d2, d-block, transition metal - ✔✔✔-
,Straighterline Chemistry 101 Final Exam with Questions and Smart Answers –
100% Solved
1s22s22p63s23p64s23d104p65s1, s-block, main group - ✔✔✔-
2, 8, 20, 50, 82 or 126 protons - ✔✔✔-What are the most stable isotopes?
2:1:1:2 - ✔✔✔-What is the ratio of reactants and products in the chemical equation?
__NaOH + __H2SO4 --> __Na2SO4 + __H2O
6.022 x 10^23 particles - ✔✔✔-How many particles/atoms/molecules are in a mole?
12.01 amu - ✔✔✔-atomic mass of carbon
A = -logT = -logI/I0 - ✔✔✔-Absorbance (A) is equal to minus the log of transmittance.
A = etc - ✔✔✔-The Beer-Lambert law is used to determine concentration from absorbance (A),
molar absorptivity (e), and path length (b) through the sample.
absolute zero - ✔✔✔-0 Kelvin
accuracy - ✔✔✔-how close a measurement is to the true value
acids - ✔✔✔-produces H+ ions when dissolved in water
actual yield - ✔✔✔-amount of product actually recovered
, Straighterline Chemistry 101 Final Exam with Questions and Smart Answers –
100% Solved
adhesion - ✔✔✔-attractive forces between molecules in a substance and their container
aliphatic compounds - ✔✔✔-do not contain benzene rings
alkali metals - ✔✔✔-Group 1A
alkali metals - ✔✔✔-most reactive metals, oxidation state of +1
alkaline earth metals - ✔✔✔-group 2A
alkaline earth metals - ✔✔✔-somewhat less reactive than alkali metals, oxidation state of +2
alkanes - ✔✔✔-Hydrocarbons that contain only single bonds
allotrope - ✔✔✔-One of two or more different forms of an element
alloy - ✔✔✔-a solid mixture of one or more metals, sometimes also containing one or more
nonmetals
alpha rays - ✔✔✔-Positively charged particles (helium nuclei) deflected AWAY from the
positively charged plate.
amino acid - ✔✔✔-contains both carboxyl group and amino group
ammonia - ✔✔✔-The Haber process is used to manufacture