User interface language: English | Español

Date May 2013 Marks available 1 Reference code 13M.1.sl.TZ2.15
Level SL Paper 1 Time zone TZ2
Command term Identify Question number 15 Adapted from N/A

Question

Which statements are correct for an exothermic reaction?

I.     The products are more stable than the reactants.

II.     The enthalpy change, \(\Delta H\), is negative.

III.     The temperature of the surroundings increases.

A.     I and II only

B.     I and III only

C.     II and III only

D.     I, II and III

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 5: Energetics/thermochemistry » 5.1 Measuring energy changes
Show 97 related questions

View options