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Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
Classification of polymers - Linear polymers These are polymers where monomeric units are linked together to form linear sequential chain. These linear sequential polymers are
Question: Steam initially in a vapor/liquid mixture with 80 percent liquid at 250C, expands isothermally and reversibly to a final state at 20 bar. Using the steam tables: a
Measure the thermodynamic properties (reaction enthalpy, entropy, and Gibbs energy) for this reaction under standard conditions. Is the reaction exothermic or endothermic? Is i
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
What is a salt bridge? Salt bridge is a device used to link two electrodes on electrochemical cell. It maintains electrical neutrality and internal continuity. It is shown by
Q: For a homogeneous reaction in which the reactants and products are solutes in a solution, write a rigorous relation between the standard molar reaction enthalpy and the temperat
using a diagram explain how a fluorescence detector optical bench works
Explain the following and give one example of each: a. Tranquillizers b. Mordant c. Hybrid rocket propellants
(i) How would you account for the following: (a) The transition elements exhibit high enthalpies of atomization. (b) The 4d and 5d series of the transition metals have more
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