Types of Reactions
You will see an increase in temperature with this type of reaction.
Exothermic
The Law of Conservation of Mass states that...
Mass cannot be created nor destroyed during a chemical reaction.
True or false: An indicator is something that can be observed that proves a chemical reaction is taking/ has taken place.
True
An ionic bond will form between what types of atoms?
Metals and non-metals
The process in which one or more substances, also called reactants, are converted to one or more different substances, known as products is called a(n) ______________.
A + B --> AB is what type of reaction?
Synthesis
The beginning substances of a chemical reaction are called the __________.
reactants
An insoluble solid that is formed from a reactions between liquid solutions is called a(n) ________.
Precipitate
A covalent bond will take place between what types of atoms?
This tells the "story" of what happens during a reaction.
Chemical equation
In an endothermic reaction, energy is ____________ in order to break bonds apart.
absorbed from surroundings
The substances produced by a chemical reaction are called the ___________.
products
What are some of the reaction indicators present when baking a cake?
Color change, odor change
In an ionic bond, valence electrons are ____________ to a non-metal atom.
transferred
In the compound CH4 , "4" is the __________ of Hydrogen.
subscript
AB + CD --> AC + BD represents what type of reaction?
Double replacement
Balance the following chemical equation:
AgI + Na2S --> Ag2S + NaI
2AgI + Na2S --> Ag2S + 2NaI
What does "bubbling" indicate is happening during a chemical reaction?
Gas formation
In a covalent bond, electrons are ____________ between atoms.
Shared
A reaction that takes place between an acid and a base (alkali) is called a(n) ____________ reaction.
Neutralization
What type of reaction does the following equation represent?
CH4 + O2 --> CO2 + H2O
Combustion
Balance the following chemical equation:
SiO2 + HF --> SiF4 + H2O
SiO2 + 4HF --> SiF4 + 2H2O
In a lab investigation, 5 drops of a universal indicator is added to 10mL of HCl. The solution turns red. After combing the HCl with 10mL of sodium bicarbonate, the solution turns green. What is the indicator that shows a reaction has taken place?
pH change
Identify the type of compound given:
C6H12O6
Covalent
This is the most common type of chemical reaction.
Exothermic