The capacity to do work.
What is energy?
The amount of weight distributed over an area.
What is pressure?
DOUBLE JEOPARDY!
This model describes the behavior of gases (and other states of matter) from a molecular perspective.
What is kinetic molecular theory (KMT)?
The part of the universe we want to study in a thermodynamic problem.
What is the system?
This is the number of calories in a 100-Cal cookie.
What is 100,000 (or 105) cal?
The oxidation number of substances in their elemental form.
What is zero?
Energy per unit of time.
The four macroscopic variables we use to characterize gases
What are P, V, n, and T.
Processes that depend only on the initial and final states.
What are state functions?
The amount of heat transferred from consuming 1.00 moles of B.
A+5 B⟶3 C ΔH=-100kJ
What is 20 kJ?
DOUBLE JEOPARDY
The specific heat of liquid water in units of cal/(g°C).
What is 1 cal/(g°C)?
The oxidation number of carbon in the carbonate ion
What is 4+?
Transfer of kinetic energy due to differences in temperature only.
What is heat?
DOUBLE JEOPARDY!
The most "ideal" of all the gases.
What is helium?
The meaning of the peak of a Boltzmann distribution.
What is average molecular speed?
The number of moles of A needed to release -25kJ.
A+5 B⟶3 C ΔH=-100kJ
What is 0.25 moles?
This unit of energy is typically used is residential and commercial applications.
What is kW-h?
The only type of chemical reaction that cannot be a redox process.
What are double displacement reactions?
The experimental study of heat transfer.
What is calorimetry?
An instrument that measures atmospheric pressure.
What is a barometer?
The process of gas escaping from a pin hole.
What is effusion?
The signs of q and w for the following process
2A(g)+3B(s)->2C(g) ΔH > 0
What is w = 0 and q is positive?
DOUBLE JEOPARDY
1 kW-h is equal to this many joules
What is 3.6x106 J?
The oxidation number of copper in Cu(OH)2
What is 2+?
The sum of all kinetic and potential energies in a system.
What is internal energy?
DOUBLE JEOPARDY
The amount of work, in joules, transferred when a gas expands from 1-L to 2-L against an external pressure of 2 atm.
What is -200J?
The type of variation describing the relationship between pressure and volume at constant temperature and moles.
What is inverse variation?
Transfer of heat at constant pressure.
What is change in enthalpy (ΔH)?
A joule is defined as these SI base units.
What is kgm2/s2?
For the following process, this is the oxidizing agent.
4NH_3+5O_2->4NO+6H_2O
What is NH3?
How we get from one thermodynamic state to another.
What is a path function?
The amount of work, in joules, transferred when a gas contracts from 2.0 moles to 1.0 moles at a temperature of 300 K.
What is +2500J.
The lowest theoretical temperature.
What is absolute zero?
DOUBLE JEOPARDY
Internal energy plus PV work.
What is enthalpy?
The amount of heat transferred per unit of temperature.
What is heat capacity?
Or What is a calorimeter constant?
For the following process, this element is neither oxidized or reduced.
What is hydrogen?
A term used to describe a thermodynamic process that takes place at constant pressure.
What is isobaric?
Helium would effuse this many times faster than CH4.
What is two-times faster?
The name of the state when both the system and surroundings are at the same temperature.
What is thermal equilibrium?
For the following chemical reaction, this would be the signs of q and w.
NaHCO3(aq)+HCl(aq) --> NaCl(aq)+H2O(l)+CO2(g) ΔH>0
What is q is positive and w is negative?
For an endothermic reaction, this would be the sign of the temperature change measured in a calorimeter.
What is negative?
The oxidation number of tellurium in the tellurite ion.
What is 4+.