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☆☆☆☆☆Cards in this guide (15)
What is thermal energy
The total kinetic energy of the particles in a system
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
18
What would cause entropy to increase in a reaction
The products becoming more spread out.
What is true of the enthalpy value of an intermediate reaction
It is multiplied by 2 if the intermediate reaction is multiplied by 2
What happens when a glass of water is set in the sun until the water evaporates
Entropy increases.
What does a negative H tell about a reaction
The reaction is exothermic.
What would cause entropy to decrease in a reaction
The products becoming more ordered than the reactants
What information does the latent heat of vaporization give
The energy needed to completely vaporize a mole of a liquid
How is stoichiometry used to calculate energy released when a mass of liquid freezes
Grams liquid × mol/g × Hfusion
What reactions would have a decrease in entropy
anabolic reaction
How much energy is required to raise the temperature of 2 kg of iron from 20C to 23C
2700J
What statement describes the potential energy diagram of an exothermic reaction
The potential energy of the reactants is greater than the potential energy of the products.
If 213 J raises a sample of water 8.2 C what is the mass of the water
6.2 g
At which temperature would a reaction with H -92 kJmol S -0.199 kJ(molK) be spontaneous
400 K
What statement describes a reaction at 298 K if H 31 kJmol S 0.093 kJ(molK)
It is not spontaneous.
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