Entalpi

Kärnidén

Entalpi. Ämnet kopplar en exakt fysikalisk-kemisk modell till mätbara storheter och experimentella observationer.

Varför det är viktigt

Ämnet kopplar en exakt fysikalisk-kemisk modell till mätbara storheter och experimentella observationer.

En bild att minnas

Mendelejev förklarar

Take one idea at a time. If a new word appears, connect it to a concrete object, number or experiment before moving on.

Prova själv

Say the idea aloud in your own words, then test it with a simple example.

Vanlig fallgrop

Memorising a sentence is not the same as understanding the mechanism behind it.

Kärnidén

Entalpi

Kärnidén

Entalpi

À pression constante : ΔH = q_p · loi de Hess : les ΔH s’additionnent

Start with the central idea, then test it against a concrete element or example. A scientific model is useful when we know what it explains — and where its limits are.

Väglett exempel

Entalpi

Start with the central idea, then test it against a concrete element or example. A scientific model is useful when we know what it explains — and where its limits are.

Öva själv

Entalpi

Izaberite novi slučaj povezan sa Entalpi. Napišite poznate podatke, traženu veličinu i jedinice. Zatim navedite pravilo, model ili trend koji koristite. Ako postoji račun, proverite jedinice u svakom koraku; ako je zadatak pojmovni, jasno navedite šta se menja a šta ostaje isto.

Kontrollera svaret

Dobar odgovor sadrži početnu situaciju, promenljivu koja se menja, smer promene ili brojčani rezultat i jednu nezavisnu proveru: jedinicu, red veličine, granični slučaj ili poređenje sa poznatim primerom.