A reaction is represented by the equation below. A2(g) + B2(g) 2AB(g); ∆H = +X kJmol-1 Which of the following statements about the system is correct? Posted on:
Consider the following equation: Ag+ (aq) + CI-(aq) → Ag+CI- (s) ; ∆H = _65.7 kJmol-1. From the equation, it can be deduced that Posted on:
What does ∆H represent in the following equation ? Cl(g) + e- → CI- ( g); ∆H = – 363 kJ mol-1 Posted on:
A gas was evolved when a sample of gastric juice reacted with sodium trioxocarbonate (IV) . The gas evolved was Posted on:
In which of the reactions represented by the following equations is HNO3 behaving as a typical acid? Posted on:
Which of the following would dissolve in warm dilute H2SO4 without effervescence, to give a blue solution? Posted on:
A mixture of calcium chloride and calcium trioxocarbonate (IV) in water can be separated by Posted on:
P Total = F1 + P2 + P 3 + ………Pn’ where P Total is the pressure of a mixture of gasses. The equation above is an expression of Posted on:
