Chemistry: Vocabulary Words: Intro To Chemistry Part 1

Gibbs free energy, Change in G – equal to the amount of energy from the system that is available to do USEFUL work
Change in enthalpy – Change in S(Temp)
Temp is in Kelvin and S is assumed to be the S of the system
G MUST BE NEGATIVE IN ORDER FOR A SPONTANEOUS REACTION TO OCCUR
3 bond pairs, 1 lone pair – Trigonal pyramidal, 107 °
Calcium hydroxide
Ca(OH)2 – Used in lime & masonry
4 factors that affect reaction rate – Increase Temperature, Pressure, Concentration, add a catalyst, decrease surface area- will increase rate

Decrease Temperature, Pressure, Concentration, remove a catalyst, increase surface area- will decrease rate

Homogeneous mixture – A mixture in which substances are evenly distributed throughout the mixture
gases – A state of matter, have no fixed shape and take on the shape of the space they're in
Bond energy – The energy required to break a chemical bond and form neutral isolated atoms
Vapor – The change of state from a liquid to a gas
What happens to electronegativity values as you go down a group? – They decrease.
The attraction of an atom for a pair of shared electrons is called its
Chemical Properties – Describes matter based on its ability to change into a new kind of matter with different properties.
Discuss the process by which liquids can change into a gas. – Evaporation
Funnel – device useful for pouring a liquid into a narrow opening etc.
Ionization Energy – energy required to remove an electron from a neutral gaseous atom
endothermic
The аttrаctiоn оf аn atоm for a pair of shared electrons is called its
s, p, d, f – Name the 4 types of orbitals
Oxymercuration-Demercuration (Alkene) –

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