Solutions
What is the solvent in saltwater?
Water
What pH range do acids fall under?
0–6.9
What particle has no charge and is found in the nucleus?
Neutron
What law says P↑, V↓ (if T is constant)?
Boyle’s Law
Energy stored in bonds is called __________ energy.
Chemical
A solution is a ___________ mixture.
Homogeneous
What ion do bases produce in water?
OH⁻ (hydroxide)
What type of radiation is blocked by paper?
Alpha particles
What gas law involves volume and temperature?
Charles’s Law
What is the unit for energy?
Joule
What do you call a solution that can dissolve more solute?
Unsaturated
What is the name of a substance that can act as both an acid and a base?
Amphoteric
What is the half-life of a radioactive substance?
Time for half to decay
What is STP in chemistry?
Standard Temperature (0°C) and Pressure (1 atm)
Is melting ice endothermic or exothermic?
Endothermic
What happens to the solubility of most solids when temperature increases?
It increases
What is the pH of a neutral solution?
7
What process powers the sun?
Nuclear fusion
Which law uses the formula PV = nRT?
Ideal Gas Law
What does ΔH stand for?
Change in enthalpy (heat)
What is molarity (M) the formula for?
Moles of solute ÷ Liters of solution
What do you get when an acid reacts with a base?
Salt and water (neutralization reaction)
In beta decay, a neutron turns into a ________.
Proton and electron
What happens to gas particles when temperature increases?
They move faster
A reaction that gives off heat feels ____.
Hot (Exothermic)