q vs deltaH

[JChen_2I]

Could someone explain the difference between q and deltaH please? Thank you!

[Ally Huang- 1F]

Delta H is the change in heat energy at a constant pressure. Heat is the transfer of energy due to difference in temperature. Delta H will equal q when there is a constant pressure.

[Eunice Nguyen 4I]

Could someone explain the difference between q and deltaH please? Thank you!

q= transfer of thermal energy from hot to cold objects until thermal equilibrium is reached
delta H = change in heat energy

[Miriam Villarreal 1J]

q is the amount of heat transfered to the system. It is one of the two means of energy transfer during most processes studied in thermodynamics. Delta h is a thermodynamic potential, much like internal energy (E). It is essentially a measure of the potential energy of the system

[Justin Sarquiz 2F]

q is not always heat transfer from a hot object to a cold object. q can be either positive or negative depending on the situation.

[Angela Patel 2J]

why would q ever not be equal to delta H?

[gabbymaraziti]

q represents the transfer of heat to or from the system. Delta H represents the sum of the internal energy in the system, taking into account the system's pressure and volume when necessary.