Chemical Reactions
How do you know a chemical reaction has formed?
Hint: think of the five signs.
Precipitate, energy change, gas, smell, and a color change.
The reactant is on the left side of a chemical equation.
True- the reactant is on the left and the product is on the right.
How did we find the solubility of the solvent in our Gizmo?
Subtracted the amount of solute left at the bottom from the amount of solute added.
What day of the week is Halloween this year?
A Tuesday.
How many atoms are on the product side of this chemical equation?
3
Potassium nitrate had a higher solubility than sodium chloride.
True- the graph showed that as temperature increased, the solubility increased.
What does solubility mean?
How easily something can dissolve.
What should you do to study for my quiz tonight?
Look at the extension choice board and review old worksheets.
Fill in the blanks:
The Law of Conservation of Energy states that energy cannot be ______________ or _______________.
Created or destroyed.
The arrow in a chemical equation, represents the product.
False- yields.
What is an example of a solvent?
Water
Where did Miss Welage go to college?
Miami University.
What is an endothermic reaction?
When heat energy is being absorbed.
Ex- photosynthesis.
The coefficient is the smaller number in a chemical equation.
False- the bigger number.
What is an example of a solute?
When does Taylor Swifts album of 1989 (Taylor's Version) get released?
At midnight!
What is an exothermic reaction and state an example.
An exothermic reaction is when heat energy is being released.
Example: A candle burning.
The solute dissolves in the solvent.
True!
What is a solution also called?
A homogenous mixture.
Which NFL teams play tonight at 8:15?
The Bills vs. Buccaneers