WAEC Chemistry Past Questions & Answers - Page 145

Salts that contain water of crystallization are said to be

Consider the reaction represented by the following equation: H _2(g) + \(\frac{1}{2}\) O_(g) → H ₂O_(g) ∆H =-285.8 KJmo ^-1 ∆H represents the enthalpy of

In a chemical reaction, ∆H is positive when

In a mixture of gases which do not react chemically together, the pressure exerted by the individual gases is called

What is the value of -14^oC on the Kelvin temperature scale?