The meerkat or suricate Suricata suricatta is a small mammal and a member of the mongoose family. It inhabits all parts of the Kalahari Desert in Botswana and South Africa.A group of meerkats is called a mob, gang, or clan.he meerkat or suricate Suricata suricatta is a small mammal and a member of the mongoose family. It inhabits all parts of the Kalahari Desert in Botswana and South Africa.
Enthalpy of Formation. The (molar) enthalpy of formation is the heat released ( ) or absorbed ( ) in a chemical reaction at constant pressure when simple substances combine into a more complex substance. At standard conditions of pressure and temperature (1 atm and 298 K), it is denoted . For elements in their standard states, .
The standard enthalpy of reaction (denoted Î´ r H â) is the enthalpy change that occurs in a system when one mole of matter is transformed by a chemical reaction under standard conditions.hat is, the enthalpy of a reaction at constant volume is equal to the change in the internal energy (Î´ E) of the reacting system. The thermal change that occurs in a chemical reaction is only due to the difference in the sum of internal energy of the products and the sum of the internal energy of reactants.