Types of Reactions
What is synthesis?
2 or more reactions form a product
How many grams are in 8.4 moles of H2O?
151.2g H20
What type of bond is formed when two nonmetals share electrons?
Covalent bond
What is energy measured in
Joules
Which two elements don't follow the octet rule
Hydrogen and Helium
what reaction is taking place when the equation is formulated as AB + XY ---> AY + XB
double replacement
Convert 442.1g of Fe2(CO3)3 to moles.
1.5mol Fe2(CO3)3
What is a substance that reacts with oxygen, often releasing heat and light?
Combustion reactions
What is the law that states energy cannot be created or destroyed, only converted from one form to another?
The Law of Conservation of Energy
When moving to the right on the periodic table, does each successive element gain an electron, proton, or neutron?
Proton
In what order should you balance combustion equations?
In alphabetical order
How many grams are in 5.2 moles of Al2(SO4)3?
1778g Al2(SO4)3
How can you tell a chemical reaction has happened?
Change in color, temperature, bubbling or a solid forming in a solution.
What is the melting point of Ice in Fahrenheit
32℉
Does atomic radius increase when moving left to right across a period?
No
How is a single replacement equation formatted?
(compound) + (free element) -> new compound + new free element
If 138.0 grams of barium chloride react with calcium hydroxide, how many grams of barium hydroxide are formed?
BaCl2 + Ca(OH)2 → Ba(OH)2 + CaCl2
114g Ba(OH)2
What type of reaction occurs when one substance breaks down into two or more simpler substances?
Decomposition reaction
How many joules of energy does it take to heat up 1 gram of water by 1 degree?
4.184J
What are two factors that affect ionization energy?
Distance and Magnitude
What are the primary products of combustion?
CO2 and H2O
When 20.0 grams of calcium chloride react with silver nitrate, how many grams of silver chloride are formed?
CaCl2 + 2AgNO3 → Ca(NO3)3 + 2AgCl
51.2g AgC
What is the shape of a methane (CH4) molecule?
Tetrahedral shape
What's the heat fusion and vaporization formula?
q=mΔHfus and q=mΔHvap
What type of metal will easily lose an electron?
Alkali metals