USNCO General
What USNCO stands for.
What is United States Chemistry Olympiad?
This term refers to the total energy of all particles in a substance due to both their kinetic and potential energy.
What is internal energy?
Fastest particle in the universe.
What is a photon?
Negatively charged particle, orbits the atom.
What is an electron?
Worn on your face over your eyes to prevent splashing of toxic chemicals.
What are safety goggles?
First tier of USNCO
What is USNCO Locals?
This quantity, often symbolized by Δ𝐻, represents the heat content change of a system at constant pressure.
What is enthalpy change?
What is a pH scale?
Particle with no charge, in nucleus.
What is a neutron?
What is glassware?
How many questions are on the MCQs section?
What is 60?
In this type of reaction, energy is released, typically making the surroundings feel warmer.
What is an exothermic reaction?
Elementary particle that is equivalent to a positively charged hydrogen ion.
Proton
Orbitals which are ______ to the nucleus have higher energy.
What is closer?
Chemistry equivalent of a coffee mug.
What is a beaker?
How much time do you get for the exam?
What is 110 minutes?
This device is commonly used to measure the heat released or absorbed in a chemical reaction.
What is a calorimeter?
A radioactive particle that is equivalent to a Helium nucleus.
What is an alpha particle?
The process where photons bump electrons up energy levels.
What is the photoelectric effect?
No experiments are allowed in this object, used only for measuring.
What is a graduated cylinder?
Hardest and last topic in USNCO locals exam.
What is Organic Chemistry?
This law states that the total enthalpy change of a reaction is the same, no matter how many steps the reaction is carried out in.
What is Hess's Law?
The name of the group of elements that includes Iodine, Chlorine, Bromine, and Flourine.
What are the halogens?
The name of the gap between electron orbitals.
What is a node?
This type of flask is used in titrations. Must spell out the word.
What is E-R-L-E-N-M-E-Y-E-R?