Zadanie 21
Wzorowane na: Chemistry HL Paper 1, May 2022, TZ2, pytanie 21. Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Polecenie
In the Arrhenius equation, , which statement about the factor A is correct?
A. It is the minimum energy needed for a successful collision.
B. It is related to the frequency of collisions with the proper orientation.
C. It is the fraction of collisions with energy equal to or greater than the activation energy.
D. It increases exponentially as the temperature increases.
Sprawdź rozwiązanieUkryj rozwiązanieKlucz i punktacja
Odpowiedź z klucza
B ✔
«the Arrhenius factor A takes into account the frequency of collisions with the proper orientation; the minimum energy is Ea, the fraction of sufficiently energetic collisions is the exponential term , and A is essentially independent of temperature»
Schemat punktowania
One mark for the correct option.