Three evidences that a chemical change has occurred in a substance.
What are formation of a gas, production of heat, and a distinct color change.
100
Individual packets or quanta of light are called this.
What are photons?
100
The force exerted by gravity upon an object.
What is weight?
100
This is the functional group name for 100 on the board.
What are aldehydes?
100
Ethene burns in oxygen according to the equation
C2H4 + 3 O2 ------ 2 CO2 + 2 H2O. If 5 moles of C2H4 react with an unlimited amount of O2, how many moles of H2O will be produced?
What is 5?
200
This distinguishes an atom of a particular element from atoms of other elements.
What is the number of protons in the nucleus.
200
The outermost electrons in an atom, which are involved in chemical bonding, are referred to as this.
What are valence electrons?
200
This energy is associated with an object's motion.
What is kinetic energy?
200
This is the functional group name for 200 on the board.
What are amines?
200
This element is most commonly used to make semiconductors.
What is silicon?
300
The reaction C12H22O11 -------= 11 H2O + 12 C is an example of this reaction.
What is a decomposition reaction?
300
This principle states that the position and momentum of small particles such as electrons cannot be precisely measured simultaneously.
What is the uncertainty principle?
300
In a reversible chemical reaction represented by A + B ------ AB, adding more of a substance AB to the system would do this.
What is shift the equilibrium to the left?
300
This is the functional group name for 300 on the board.
What are ketones?
300
If a strip of red litmus paper turns blue when dipped into a solution, the pH of that solution must be this.
What is greater than 7?
400
This law states that every system left to itself will tend toward a condition of minimum potential energy and maximum entropy or disorder.
What is the second law of thermodynamics?
400
An atom with the electron configuration 1s2 2s2 2p3 has this many electrons orbiting the nucleus.
What is 7?
400
This is a reaction that can be made to go either direction.
What is a reversible reaction?
400
This is the functional group name for 400 on the board.
What are carboxylic acids?
400
The formula for diboron trioxide.
What is B2O3?
500
A volume of 5.2 kiloliters is equal to this in liters.
What is 5200 liters?
500
Electrons that circulate freely through a molecule instead of being bound to a single atom or pair of atoms are said to be this.
What is delocalized?
500
This term is used to designate when the forward and reverse reactions of a reversible chemical reaction are proceeding at the same rate.
What is chemical equilibrium?
500
This is the functional group name for 500 on the board.