Types of reactions
What type of reaction is represented by A + B -> AB?
Synthesis
What is the term for the concentration of a solution expressed as moles of solute per liter of solution?
Molarity
What is the pH of a neutral solution at 25°C?
7
What tall glassware do you use for measure volume accurately?
Graduated cylinder
What type of reaction is represented by AB + CD -> AD + CB?
Double replacement
In the formula for molarity, what does the numerator represent?
Moles of solute
What is the sum of pH and pOH in a solution at 25°C?
14
What color is liquid oxygen?
Blue
What type of reaction absorbs energy from its surroundings?
Endothermic
What is the molarity of a solution containing 1 mole of solute in 1 liter of solution?
1 M
What happens to the pH when the concentration of hydrogen ions increases?
pH decreases
Mercury
What type of reaction involves a substance reacting with oxygen to produce heat and light?
Combustion
What is the process called when more solvent is added to a solution, decreasing its molarity?
Dilution
What happens to the pOH when an acid is added to a solution?
pOH increases
Which form (allotrope) of oxygen is produced in lightening strikes?
Ozone (O3)
What is the minimum energy required to start a chemical reaction called?
Activation energy
What happens to the molarity of a solution if more solute is added without changing the volume?
Increase
What is the pH of a solution with a hydrogen ion concentration of 0.001 M?
3
Where did Mr. Q study chemistry?
RU-N