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All exothermic reactions are favorable. Using your own words, explain why some exothermic reactions are non-spontaneous...
Are all the exothermic reactions spontaneous? Are all the endothermic reactions non- spontaneous? Explain your reasoning using appropriate equations. 4.
4. Hot packs. All reactions are spontaneous; note that some are exothermic and some are endothermic. How can a spontaneous reaction Increase in energy? Hot packs, exothermic: CaClas) → Calag) + 2CH(aq) 4,H=-81.35 kd/mol. MgSO4(s) → Mg?"(aq) +507(ag) AH-91.22 kJ/mol Just plain hot-watch out! NaOH(s) → Na'(aq) + OH'(aq) AH = -44.50 kJ/mol. a. Pick one of the above reactions and calculate how much 1.0 g of the solid would increase the temperature of 100 mL of water. Let your...
2. Why do some reactions that are not spontaneous at room temperature become spontaneous at higher temperatures? Explain your reasoning using appropriate mathematical equations
a- Explain in your own words (not more than 40 words) why it’s needed in some cases to design a multistage amplifier. b- As designer, which of multistage amplifier in the figure below you will choose (a or b)? Explain why in your own words. Multistage Amplifier (a) Vin Common source Common Emitter Vout Common Collector Multistage Amplifier (b) Vin Common Collector Common Emitter Vout Common Source
Think of a spontaneous reaction that has a slow rate. Explain in your own words how a reaction can be spontaneous but slow to progress.
v For each of the following reactions, explain why they are spontaneous or non spontaneous based on the change in entropy of the reaction 2N20 (0) -> O2 (8) --> 2N2 (8) Decrease in the number of mole and phase change from gas to aqueous solutic A both decrease entropy N2 (g)+ 3H2(g) -> 2NH3 (8) B Decrease in the number of mole decreases entropy + CaCO3 (8) -> CaO (5) + CO2 (g) Increase in the number of mole...
Question 15 3 pts In your own words, explain how the emission spectra for hydrogen and helium are similar and different from each other. HTML Editor
using your own words, What are the benefits of cloud computing? using your own words, Explain the cloud. using your own words, What is a business process? Give three examples. using your own words, What is the difference between business deliverables and objectives? using your own words, List and give examples of the three components of a business process.
UT WIL US: Laplan your answer. ne tollowing as spontaneous/non-spontaneous/cannot tell, and explain. Also, provide a real example for each. A reaction that is a. exothermic and becomes more positionally random b. exothermic and becomes less positionally random c. endothermic and becomes more positionally random d. endothermic and becomes less positionally random
a) Explain Shannon's diagram in your own words. Be specific and technical. b) Briefly compare and contrast the current Internet with the "old" PSTN (public switched telephone network) in terms of being a "universal service". c) Briefly compare and contrast the telegraph and the Internet. d) Explain, with your own diagrams and in your own words, the idea of modulating a carrier wave and why it is significant in communications systems. e) Briefly describe HTML, CSS, and JS. Then construct...