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Exam (elaborations)
BTEC Unit 5: Data Modelling - Assignment 2 & 3 Learning Aim B & C 2024
BTEC Unit 5: Data Modelling - Assignment 2 & 3 Learning Aim B & C 2024. Software – The use of software that I use will be part of my constraint as there may be compatibility 
issues with using this project. 
Success criteria: 
The success criteria that is needed is to show how my system is successful and is a really good 
solution of making users aware of what is expected of them and by encouraging them to extend 
themselves by looking through each bit on my table. 
User interface design: 
Her...
Exam (elaborations)
BTEC Unit 5 – Chemistry Questions Graded A+
PopularEnthalpy of combustion (∆Hc) - ANSWER-The enthalpy change that occurs when one mole of a substance is burnt completely in oxygen under standard conditions 
 
Enthalpy of Formation (∆Hf) - ANSWER-The enthalpy change that occurs when one mole of a substance is formed from its elements in their standard states under standard conditions 
 
Enthalpy - ANSWER-The thermal energy stored in a chemical system. It is defined by: 
 
Enthalpy = Internal energy of the system + (pressure x volume) 
 
H = U...