Reactions
A chemical reaction in which two compounds exchange positive ions and form new compounds
What is Double Replacement Reaction?
A chemical reaction that releases energy to its surroundings is:
Exothermic Reaction?
Endothermic Reaction?
What is exothermic?
2K + 2H2O----> H2 + 2KOH
Which type of reaction is this formula?
What is a single replacement?
What is Avogadro's number?
What is 6.02 x 1023 particles?
What element is needed in order for combustion to occur?
What is oxygen?
a chemical reaction in which one element takes the place of another element in a compound
What is single replacement reaction?
Energy can be destroyed.
True? or False?
False
2Na + Cl2-----> 2NaCl
What type of reaction is this?
What is Synthesis?
Bromine, Br, forms a binary compound with Aluminum, Al. What is the name of this compound?
What is Aluminum Bromide?
The chemical formula for dichlorine heptoxide is Cl2O7. This compound contains seven ions of ______ for every two________ ions.
What is oxygen?
What is chlorine?
A chemical reaction in which two or more substances react to form a single compound
What is Synthesis Reaction?
What is a catalyst?
A substance that speeds up a reaction?
What is it called when electricity takes H2O and splits it into the gas H2 and O2?
What is water electrolysis?
What do the prefixes in both words of DiNitrogen TriOxide indicate?
a molecule of dinitrogen trioxide has 2 nitrogen atoms and 3 oxygen atoms
an amount of a substance that contains approximately 6.02214076×10²³ particles (known as Avogadro’s number) of the substance.
What is a Mole?
A chemical reaction in which a compound breaks down into two or more simpler substances
What is Decomposition Reaction?
A covalently bonded group of atoms that has a positive or a negative charge and acts as a unit.
What is a polyatomic ion?
2H2 + O2----> 2H2O
What type of reaction is this?
What is combustion?
The type of element named first in a binary compound?
What is a cation?
a chemical reaction that absorbs energy from its surroundings
What is an Endothermic Reaction?
What is a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light?
What is a Combustion Reaction?
The energy stored in chemical bonds:
bond energy? or chemical energy?
What is chemical energy?
Magnesium, Mg, and chlorine, Cl, form a binary compound with a ratio of 1:2 ratio of magnesium to chlorine. What is the formula for magnesium chloride?
What is MgCl2?
If water cannot dissolve the substance, it is most likely...?
What is non-polar?
Where is energy stored in a compound?
What are bonds?