Cards in this guide (20)
What is thermal energy
The total kinetic energy of the particles in a system
Why do people inhale
Air: oxygen and carbon dioxide They exhale carbon dioxide.
12 l of ammonia were produced by the haber process how many liters of hydrogen were used during the reaction the reaction took place at stp 0c and 1.0 ATM n2g plus 3h2g 2nh3g
What property of ocean water affects climate the most
What would cause entropy to increase in a reaction
The products becoming more spread out.
How much energy is required to vaporize 1.5 kg of aluminum
What does a negative H tell about a reaction
The reaction is exothermic.
Why does the handle of a metal spoon get hotter than a wooden spoon would
The metal spoon is a better thermal conductor.
What information does the latent heat of vaporization give
The energy needed to completely vaporize a mole of a liquid
What does a high specific heat tell about a substance
A high specific heat tells you that it is hard to change the
temperature of a substance.
How is stoichiometry used to calculate energy released when a mass of liquid freezes
Grams liquid × mol/g × Hfusion
What does a negative Hf for a molecule mean
Energy was released when the molecule was formed from its
How is enthalpy related to the spontaneity of a reaction
H < 0 contributes to spontaneity.
What reactions would have a decrease in entropy
How much energy is required to raise the temperature of 2 kg of iron from 20C to 23C
If 213 J raises a sample of water 8.2 C what is the mass of the water
Two kittens are sleeping by a furnace vent they are relying mainly on what kind of heat transfer
What statement describes a reaction at 298 K if H 31 kJmol S 0.093 kJ(molK)
What statement best describes the second law of thermodynamics
How energy changes or moves
What does Hesss law say about the enthalpy of a reaction
The enthalpy of a reaction does not depend on the reactant path taken.