Acids and Bases
0-14
What does the pH scale range from?
In chemical reactions the -> symbol stands for this.
What is yields?
The little number that comes after an element, part of the compound and cannot be changed without altering the compound
What is a subscript?
Lemon Juice, milk, vinegar, soda
What are some examples of acids?
The big numbers in front of the elements that are used to help balance chemical equations.
What are coefficients?
Bond-breaking
Are Endothermic reactions bond breaking or bond making?
Hydroxide ions
What is produced when a base is dissolved in water?
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
Balance the following chemical equation.
Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
O2 and a hydrocarbon; H2O and CO2
What compounds are always included in the reactants in a combustion reaction?
What compounds are always included in the reactants in a combustion reaction?
Raises the temperature of the substance and air around the reaction
What does an exothermic reaction do to the surrounding substance and air?
Hydronium ions
What is produced when an acid is dissolved in water?
Change in shape or state, can easily be reversed, does not create a new substance
What is a physical change?
Balance the following equation.
Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
AB + XY --> AY + BX
Show the general variable formula for a double displacement reaction
What type of reaction is the following?
2Na + 2H2O --> 2NaOH + H2
single replacement
Dark violet
What color do pH strips turn when placed in a strong base?
Balance the following equation.
___Al + ___O2 --> ___ Al2O3
4 Al + 3 O2 --> 2 Al2O3
It increases the rate of the reaction because it causes the particles to move faster.
How does increasing the temperature of a reaction change the rate of the reaction?
By placing it in the refrigerator or freezer
How can you slow the rate of the chemical reaction of food to keep it from rotting?