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6. Light going through a lens will have diffraction effects. A spy satellite in a low earth orbit of 160 km above the surface of the carth uses a lens with a diameter of 45...
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2) (20 points) (a) What is the final speed of an electron accelerated from rest through a voltage of 25.0 MV by a negatively charged Van de Graff terminal? (b) What is unreasonable about this result? (c) Which assumptions are responsible?
Thermodynamics
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CALCULATIONS Question 1. Write the complete expression for the free energy change of the L = V equilibrium reaction for pure water (equation 2) at 100 bars and 300-C using the following data: Gy = -210330 joules/mole GL = -210330 joules/mole Recall that the right side (water vapor) of the reaction is the product side and left side (water liquid) of the reaction is the reactant side, Recall that we always calculate...
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For #10-M 3: Consider the gas phase equilibrium, 2 NO2(g)+ 40(g) N20s(g). The enthalpy change for this reaction is -170 kJ and the equilibrium constant is 2.5 at 150 °C. 10. For the above reaction, if N2(g) is added at a constant total pressure of 5 bar, (A) the equilibrium will move to the left and K will decrease the equilibrium will move...
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10. Consider the following reaction, which is at equilibrium: In which direction will the reaction shift if? a) the pressure is decreased at constant temperature b) the pressure is increased at constant temperature c) the temperature is decreased at constant pressure d) the temperature is increased at constant pressure e) a catalyst is added
Kinetic reactions
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3. The elementary gas-phase reaction A → B + 2C gives a rate constant of 10-4 min-1 at 50°C and has an activation energy of 85 kJ mol1. This reaction is carried out in a flow reactor that is operated isothermally at 127 °C with a negligible pressure drop. The reactor feed is pure A, entering at 127 °C and...
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4.13 Do Americans prefer name-brand milk or store brand milk? A survey was conducted by Harris Poll Interactive, Inc. in November 2014. Suppose the results, based on 1,138 females and 1,138 males. were as follows: GENDER PREFERENCE Male Female Total Name-Brand Milk 319 341 660 Store Brand Milk 717 649 1,366 Something Else 102 148 250 Total 1,138 1,138 2,276 Source: Data extracted from Harris Interactive, "Do Americans Prefer Name-Brands or Store...
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= hiche hz-ni 329 31 btn-2921 .1 od -6. .kz n h3 214.79-2779 3. Six-kilogram mixture of H, and N, has 50% of Hby volume. How much energy is N has 50% of Hby volume. How much energy is needed to raise the temperature from 300 K to 400 K at constant pressure? (in kJ) (a) 1290 (b) sou 1600 d) 1160 TC) 924 Answer. D...
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need help on question 2a,b,c and 3a,b,c on the post lab.
Experiment EQ-309 Post-Lab Questions Determination Of An Equilibrium Constant (To be answered in the "Analysis" section of your lab report) 1 a) Calculate the molarity of the silver nitrate solution provided. b) Calculate the molarity of the sodium chloride solution provided. 2 a) Use the data from each titration to calculate the value of K for the reaction, Ag(NH)2+ + Cl" - AgCl, + 2 NH, b) Calculate...
QUESTION 3: KEYNESIAN MODEL (7 POINTS)
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for each item of this question; otherwise, you will be deducted
marks)
ANSWER THE FOLLOWING QUESTIONS BASED ON THE KEYNESIAN
ECONOMY DESCRIBED IN THE TABLE BELOW. ALL FIGURES ARE IN $
BILLIONS.
(2 points) A. Fill in the blanks in this table, making
the usual assumptions presented in the Keynesian theory (Chapter
9). All figures are in $ billions.
(1 point) B. Calculate...