Chemistry Homework Assistance
QuestionAI's chemistry problem solver is a middle school chemistry tutoring tool that summarises key chemical reactions and equations in real-time, featuring a robust learning system to empower even those with a weak foundation in chemistry.
You needn't fret over the elemental properties of the periodic table anymore. Here, you can effortlessly access chemical reactions and reaction principles corresponding to each element. Deductive reasoning from microscopic phenomena to discern the original structure of molecules and atoms is a research technique we staunchly champion.
- 1. Use the data in the table to calculate the enthalpy change of formation of ethanol Substance & Delta_(mathrm(C)) H^circ / mathrm(kJ) mathrm(mol)^-1 mathrm(C)(mathrm(s)) & -394 mathrm(H)_(2)(mathrm(~g)) & -286 mathrm(C)_(4) mathrm(H)_(10)(mathrm(~g)) & -2877 mathrm(C)_(2) mathrm(H)_(5) mathrm(OH)(mathrm(l)) & -1367
- For a chlorine atom (CI) How many electrons are in the 1st orbital? square How many electrons are in the 2nd orbital? square How many electrons are in the 3rd orbital? square
- A (b) Give one reason why using a catalyst reduces costs. Do not answer in terms of activation energy. square D
- 8. Identify the type(s) of intermolecular forces between ween CO, molecules. CO_(2)
- Short Answer: 10. Which characteristic of water makes it an excellent solvent for many IONIC compounds? 11. Why is water an essential part of a living organism? 12. How do the hydrogen bonds play a role in water's ability to absorb or release a large amount of heat? 13. Differentiate between adhesion and cohesion. GNE EXAMPLES to support your answer.