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Chemistry

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Juana Sporer

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Cards in this guide (11)
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 does a negative H tell about a reaction

The reaction is exothermic.

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

If 213 J raises a sample of water 8.2 C what is the mass of the water

6.2 g

What statement describes a reaction at 298 K if H 31 kJmol S 0.093 kJ(molK)

It is not spontaneous.

What statement best describes the second law of thermodynamics

How energy changes or moves

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