Science Flashcards
1
Q
Energy Efficiency
A
Useful output energy/Total input energy x 100 = %
2
Q
Kinetic energy
A
1/2mv^2
3
Q
Potential energy
A
mgh
4
Q
What is the gravitational field strength?
A
9.8 n/kg
5
Q
What is a solution?
A
A homogeneous mixture of two or more substances.
Example: Saltwater.
6
Q
What is a solute?
A
The substance that is dissolved in a solvent to form a solution.
Example: Salt in saltwater.
7
Q
What is a solvent?
A
The substance in which the solute dissolves.
Example: Water in saltwater.
8
Q
What is solubility?
A
The maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature and pressure.
Example: Sugar dissolves more in warm water than cold water.
