Shapes
Energy
Gases
Radiation
Chemical Reactions
100
This causes molecular shape
What are valence electrons?
100
increases entropy
What is change of state from s to l or l to g or increasing temperature
100
The reason why P increases as T increases when V and n remain the same.
What is particles hitting harder or more often.
100
The reason all elements greater than 83 are radioactive.
What is electric repelling force of protons
100
Two types of reactions associated with combustion reactions.
What do synthesis and decomposition have in common?
200
What is the shape of CH4?
What is tetrahedral
200
Products have greater enthalpy in this type of reaction
What is exothermic?
200
273 K
What is standard temp
200
creates the SNF
What is are nucleons
200
MgCl2 + Li2SO4 ----> MgSO4 + 2LiCl How many Li atoms are in this reaction?
What is 2?
300
What is the shape of any two atom molecule (Br2)
What is linear?
300
energy needed to break bonds of the reactants
What is activation energy
300
Standard Pressures in atm, kpa and lbs/in2
What is 1, 101.325 and 14.1
300
Emits radiation
What is an unstable nucleus
300
What are the 4 evidences of a chemical reactions?
What is energy in or out change in physical property gas released precipitate formed
400
What is the shape of a 4 atom molecule with no unshared pairs on the central atom?
What is trigonal planar?
400
Energy used to create H2O from O2 and H2
What is heat of formation
400
The two things ozone can do.
What is protect us from UV light and create smog.
400
The type of radiation that reduces the atomic number of an element by 2.
What is an alpha particle
400
What is a solid formed from aqueous solutions in a double displacement reaction
What is a precipitate and what type of reaction is it associated with?
500
What is the shape of a three atom molecule with no unshared electrons on the central atom?
what is linear?
500
determines what substances will cool down faster at night
What is specific heat
500
Standard Boiling pt for any liquid.
What is when vp = atm p at standard pressure
500
Changing of one element into another
What is transmutation
500
What is the same for any type of chemical reaction
new substances formed atoms rearrange
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