Numerade

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Problem 10 (a) Calculate the binding energy in eV of electrons in aluminum, if the longest- wavelength photon that can eject them is 304 nm. (2.5pt) $B=$ (b)Find the energy in joules and eV of photons in radio waves from an FM station that has a 90.0-MHz broadcast frequency. (2.5pt) $E=$

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QUESTION 4 The pKa=pH for both weak acids and strong acids when half the acid has been titrated. True False

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What is one example of how grassroots lobbyists can influence the government? writing the judicial opinion for a court case sending letters to elected officials recruiting new presidential candidates sending a professional advocate to Washington

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Sheldon Company had $500 for one day of accrued salaries on December 31 of the prior year. On January 4 of the current year, total salaries for the five-day week are paid. The journal entry to record the payment of salaries on January 4 includes: O Credit to Salaries Payable for $500; Credit to Salaries Expense for $2,000 O Debit to Salaries Payable for $500; Debit to Salaries Expense for $2,000 O Credit to Salaries Payable for $500; Debit to Salaries Expense for $2,000 O Debit to Salaries Payable for $500; Credit to Salaries Expense for $2,000

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1. The low-cost airlines industry association has asked you, a leading consultant, to identify external threats to and opportunities for the existing industry. Using Michael Porter’s five-forces model and examples from the case study, please identify and explain the external threats. (25 marks). 2. Also, please identify, with explanations, at least two opportunities for the existing low-cost airlines industry (5 marks).

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According to "Animal Welfare and the Future of Zoos," 50% of racehorses are destroyed once they stop winning. O True O False

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Now consider a solid sphere with uniform volumetric charge density �", radius �, and angular velocity � = ��-. Find: (a) Total current � flowing in the system. (b) Magnetic field at the center of the solid sphere. *Note: a naïve repetition of the previous problem does NOT warrant partial credits.

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Use the Divergence Theorem to calculate the outward flux \iint_S \textbf{F} \cdot d\textbf{S} of the vector field \textbf{F}(x, y, z) = (x^3 + y^3)\textbf{i} + (y^3 + z^3)\textbf{j} + (z^3 + x^3)\textbf{k} through the sphere S centered at (0, 0, 0) with radius 4.

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(20 points) continued a) For the following pairs of reactions Show a step-by-step for one of the reactions (A or B). Circle the one that would go faster. Use words and structures to justify your choices. b) Tell which molecule, A or B, would have a larger rotational energy about the C=O bond. Use aromaticity and resonance structures to clearly explain. c) Compete the following reaction sequence by providing the structures D and E. Clearly explain your answer. ->HCl(1mol)?E .20 pointscontinued a)For the following pairs of reactions 1Show a step-by-step for one of the reactions(A or B 2 Circle the one that would go faster. Use words and structures to justify your choices ON F+HN O2N NH CF3 CF3 ON F+HN ON NH CH3 CH3 b Tell which moleculeA or B,would have a larger rotational energy about the C=O bond.Use aromaticity and resonance structures to clearly explain . A c Compete the following reaction sequence by providing the structures D and E.Clearly explain your answer. HCI (1 mol)>?D HCI (1 mol)?E ZI

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Q3): Consider a market with (inverse) demand p=100-2Q (Where Q is total quantities produced by the two firms). There are two firms producing q1 and q2 respectively in the market with constant marginal and average costs of $10. One correctly predicts he is the leader. a. Determine the Cournot equilibrium quantities and price. b. What would be the collusive (joint-profit maximizing) price and quantity? c. What is the Stackelberg solution (P, q).

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lindsey b.