Question Q3. A boiler in a power plant is part of a power cycle. The boiler is supplied with water at \( 15 \mathrm{MPa} \) and \( 30^{\circ} \mathrm{C} \), and can provide a maximum of \( 12 \mathrm{MW} \) of heat. The water at the outlet is a saturated vapour (steam). What is maximum input flow rate that the boiler can handle? Q3. A boiler in a power plant is part of a power cycle. The boiler is supplied with water at 15MPa and 30∘C, and can provide a maximum of 12MW of heat. The water at the outlet is a saturated vapour (steam). What is maximum input flow rate that the boiler can handle?

Problem 4: A sludge of solids concentration Co-4% (that is, % mass per volume) is to be thickened to a solids concentration CE-10% using a centrifuge. Unfortunately, the centrifuge produces a sludge of 20% solids from the 400 feed sludge. In other words, it works too well. We can bypass some of the feed sludge flow and blend it later with the dewatered (20%) Problem 4: A sludge of solids concentration Co-4% (that is, % mass per volume) is to be thickened to a solids concentration CE-10% using a centrifuge. Unfortunately, the centrifuge produces a sludge of 20% solids from the 400 feed sludge. In other words, it works too well. We can bypass some of the feed sludge flow and blend it later with the dewatered (20%) sludge so as to produce a sludge with exactly 10% solids concentration. The question is: How much sludge should we bypass? The influent flow rate (Q) is 1 gal/min at a solids concentration (Co)of 4%. we can assume here that the specific gravity of the sludge solids is 1.0 g/cm, (so 1% solids = 1 g of solids per 100 g of solution or 10 g/L). That is, the solids have a density equal to that of water (this is usually a good assumption if the solids are bacterial cells). The centrifuge produces a centrate (i.e., an effluent stream of low solids concentration) with a solids concentration (C.) of 0.1% and a cake (the high solids concentrated effluent stream) with a solids concentration (Cr) of 20%. Find the required flow rates QA, QB.Q, QK and QE , as shown in the figure below Bypass Effluent Oo gal/min Co = 4% Cake CE-1096 centrifuge Centrate Cr-20% Cc-0.1% Partial Answer: QK-0.148 gal/min, QE-0.394 gal/min

(a) Consider the cell Hg(1)Hg,SO. () FeSO (aq,a = 0.01000) Fe(s). Pertimbangkan sel Hg(1)| Hg,SO. (3)| FeSO. (aq,a = 0.01000) Fe(s). (i) Write the cell reaction. Tuliskan tindak balas sel. (ii) Calculate the cell potential (E), the equilibrium constant for the cell reaction (K), and AG at 25°C. Kirakan keupayaan sel (E), keseimbangan tetap untuk tindak balas sel (K) dan AGrindak bali pada 25 °C. (10 marks/markah) (b) Consider the equilibrium CH (g) CH4(g) + H2(g). At 1000 K and a constant total pressure of 1 bar, CyH6g) is introduced into a reaction vessel. At equilibrium, the composition of the mixture in mole percent is H2(g): 26%, CH4(g): 26%, and CyH6(g): 48%. Calculate Ko at 1000 K. (b) If AH reaction = 137.0 kJ mol-', calculate the value of K, at 298.15 K. (c) Calculate AG reaction for this reaction at 298.15 K.

I am stuck on how to do partsF and G here. Thanks so much in advance for any helphere! e. In the boxes below, draw the initial momentum, the change in momentum, and the final momentum for each astronaut in the three experiments. The initial momentum is shown for astronaut A. Draw the other vectors using the same scale. MOOD Initial Sit to be Change bar Final > Astronaut A Expt. 1 20 20 LU 1 Astronaut B Expt. 1 Astronaut A Expt. 2 Astronaut B Expt. 2 25 23 BOSTE Astronaut A Expt. 3 20 15 Astronaut B TH Expt. 3 The following questions: f. Generalize from your results above to answer the following questions: ano ang sist so If the net force on a system of two colliding objects is zero, how does the change in momentum of one object compare to the change in momentum of the other object: • in magnitude? 2.DE color . in direction? g. Explain how your answers to part f are consistent with Newton's third law and the impulse- momentum theorem ( ĒDe N = - Ap) for: Bhes • each astronaut considered separately, and do o bottom holds . for the system of both astronauts together. iboto

The radius of a sphere was measured to be 20 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the maximum error in the calculated surface area. (Round your answer to the nearest integer. The surface area of a sphere is S=4πr2.) ___ cm2 What is the relative error? (Round your answer to three decimal places.) (b) Use differentials to estimate the maximum error in the calculated volume. (Round your answer to the nearest integer. The volume of a sphere is V=4/3πr3.) ___ cm3 What is the relative error? (Round your answer to three decimal places.)

import java.util.Collection; public interface MyList<E> extends Collection<E> { 7** Add a new element at the specified index in this list */ public void add(int index, E e): 1** Return the element from this list at the specified index */ public Eget(int index); /** Return the index of the first matching element in this list. Return -1 if no match. */ public int indexOf(Object e); /** Return the index of the last matching element in this list Return -1 if no match. "I public int lastIndexOf(E e); 3 3 /** Remove the element at the specified position in this list Shift any subsequent elements to the left. Return the element that was removed from the list. / public E remove(int index); 1 2 3 24 25 26 27 28 29 30 1. Replace the element at the specified position in this list with the specified element and returns the new set. */ public E set(int index, Ee): eOverride Add a new element at the end of this list * public default boolean add(E e) { add (size(), e): return true; ASSIGNMENT 2C Assignment 6 tests your knowledge of user-defined lists, stacks, queues, and priority queues (Chapter 24). You can and should start with the examples from the textbook/presentation and adapt them to the assignment at hand and use the appropriate names and add the additional code and requirements bellow. Design a program/project/driver class Your Name Assignment and the following classes (with exact names, replace Your Name with your actual first name or the name you go by): Class Description YourNameList Program the complete version of user-defined MyList class from Chapter 24 (meaning you need to add the code for all methods that were not coded in the textbook/presentation and have a "left as an exercise" comment). Add an additional YourNameToString method that returns a string with the elements from the list in the format: (Elementpositiono, ElementPostioni, .... Elementposition 1] YourNameArrayList Program a complete version of the user-defined MyArrayList class from Chapter 24 (all fields and methods) that uses the Your Namelist instead of MyList and has an tensiththaalam

4. Consider the determinant as a sum of signed products. Recall that there are \( n \) ! elementary products in the determinant expansion of an arbitrary \( n \times n \) matrix \( A \). (a) If \( A \) is a \( 5 \times 5 \) matrix, how many of the elementary products in \( \operatorname{det}(A) \) are guaranteed to be zero if the entry \( a_{12} \) is zero? (b) If \( A \) is an \( n \times n \) matrix, \( n \geq 2 \), how many of the elementary products in \( \operatorname{det}(A) \) are guaranteed to be zero if \( a_{12}=0 \) ? Give your answer in terms of \( n \). (c) If \( A \) is an \( n \times n \) matrix with \( \operatorname{det}(A) \neq 0 \), what is the maximum possible number of zero entries in A? Give your answer in terms of \( n \).