The activation energy for the reaction NO2(g)+CO(g)-->NO(g)+CO2(g) is Ea = 200 kJ/mol and the change in enthalpy for the reaction is delta H = -325 kJ/mol . What is the activation energy for the rever Hess's law is just another statement of the first law of thermodynamics....
Please describe the third law of thermodynamics. Please state each prerequisite. What is the limitation of it? What is the role of it in the determination of entropy? What is the reference state for d You can't take warm water, turn it into ice, and use the heat from the water to ru...
In isothermal irreversible change of ideal gas what is the value of q? 01:30 In isothermal reversible change of an ideal gas, what is the value of ... 01:42 For an adiabatic change of in an ideal gas what is the relationship be... 01:08 State the first law of thermodynamics. Expla...
Well, not necessarily; zoning out during lectures is something that we're all guilty of doing because we're human beings. However,this is a class where you really, really need to pay attention to your teacher's explanations.It's hard to self-teach chemistry because you're not just memoriz...
• Laws of Thermodynamics • Hess’s Law • Spontaneity • Enthalpies and Entropies • Heat Transfer Chemical Kinetics (2) • Rate Laws • Activation Energy • Half-life Oxidation-Reduction Reactions (2) • Balancing Equations ...
Digression: molecular energies and Hess’ Law Every molecular speciesx\in Xhas an associatedGibbs free energy of formation. For notational simplicity, we write\mathbf {G}_xinstead of the commonly used symbolG_\mathrm {f}(x). The corresponding vector ofmolecular energiesis denoted by\mathbf {G...
Thermodynamics & Electrochemical Reactions Bond Dissociation Energy (BDE): Definition & Equation How to Calculate Density | Formula, Units & Examples Entropy in Chemistry | Definition & Calculation Hess's Law | Definition, Diagram & Equation Endothermic vs. Exothermic Reactions | Process & ExamplesCreat...
Hi I'm having issues relating hess's law to this question: The given chemical equation represent the combustion of ammonia and the combustion of hydrogen 1. 4NH3+3O2-->6H2O + 2N2. ( deltaH1 = -1516 kJ) 2. 2H2+O2 --> H2O ( deltaH2 = -572 kJ) What is the molar enthalpy ...
VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-THERMODYNAMICS-Very Short Answer Questions For an adiabatic change of in an ideal gas what is the relationship be... 01:08 State the first law of thermodynamics. Explain its mathematical notati... 03:38 What are the sign conventions of the work done ...
Hess's law is just another statement of the first law of thermodynamics. Explain. Write the thermochemical equation representing the standard enthalpy of formation for CaCO3(s). What is enthalpy in layman's terms? What is the balanced chemical equation for the reaction used to calculate enthal...