basic g chem concept question!

[themrn]

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how does Exothermic/endothermic differ from endorgonic/exorgonic ?

delta G = - -> exothermic?

delta H = - -> exothermic?

spontaneous rxn?

i feel like i'm really stupid but i need help ....

also what's zero law of thermodynamic?

how many different ways 2nd law of thermodynamic can be expressed?

thank you !!

 

[hawkeye712]

Exothermic/endotheremic refers to heat (H) while exergonic/endogonic refers to free energy (G).

Free Gibb's energy (G) indicates whether a reaction is spontaneous or not.
delta G >0 means non-spontaneous
delta G <0 means spontaneous

Enthalpy (H) tells you if a reaction absorbs or releases heat.
delta H < 0 means exothermic, releases heat
delta H > 0 means endothermic, absorbs heat

I don't know what the zero law of thermodynamics is. Chad's video just talked about the first, second, and third laws.

 

[themrn]

Exothermic/endotheremic refers to heat (H) while exergonic/endogonic refers to free energy (G).

Free Gibb's energy (G) indicates whether a reaction is spontaneous or not.
delta G >0 means non-spontaneous
delta G <0 means spontaneous

Enthalpy (H) tells you if a reaction absorbs or releases heat.
delta H < 0 means exothermic, releases heat
delta H > 0 means endothermic, absorbs heat

I don't know what the zero law of thermodynamics is. Chad's video just talked about the first, second, and third laws.

thanks! so delta G >0 non-spontaneous = endergonic?

chad didn't explain zero law, but i think i saw on some practice test...wasn't sure what that was talking about! anyways thanks again!

 

[hawkeye712]

thanks! so delta G >0 non-spontaneous = endergonic?

chad didn't explain zero law, but i think i saw on some practice test...wasn't sure what that was talking about! anyways thanks again!

Yes, delta G >0 non-spontaneous = endergonic.

If you rewatch the chad's video on thermodynamics, he tells you the different ways to express the second law.