Exercise 2: Ventilation Requirements.In order to calculate the quantity of ventilation air needed for habitation, weneed considering:V The CO, production P m3/s, and for this example, of a sedentary adult.V The concentration Cs% of CO,% in outdoor air, andV The maximum threshold CO, concentration Cr% for the occupied space.Normally, P = 4.7x10-6 m³/s per person, Cs =0.03% and Cr =0.5%.%3DIf the flow rate, Q m³/s is the rate of fresh air flowing through a room toprovide acceptable conditions, a CO, balance can be made. Exercise 2: Ventilation Requirements.Normally, P = 4.7x10-6 m/s per person, Cs =0.03% and Cr =0.5%.If the flow rate, Q m/s is the rate of fresh air flowing through a room toprovide acceptable conditions, a cO, balance can be made.m³/sCr - Cs

Answered: Exercise 2: Ventilation Requirements.…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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For this problem, we want to estimate the answer, so our assumptions may be a little unrealistic. Suppose we want to estimate how much air we need to send to a space station, assuming we cannot recycle air. Suppose four astronauts are in a spherical space station. If each of them typically breathes about 500 cm³of air with each breathe, and take 15 breathes per minute (average resting value): a. What is the volume of air you would need in the space station if these four astronauts stayed for a full year? b. If the density of air is 1.25 kg/m³ and it costs (thanks to SpaceX) a mere $100/kg to send objects to the space station, how much money would the astronaut air supply cost?
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Question 3
Using the tables for Densities of Inorganic and Organic Liquids (mol/dm3) of Perrys' Chemical Handbook. What is the density of water, in kg/m3, at 308.3 K? Recall that there are two available equations for the density of water different from the equation used for all other compounds in the table; use the equation with a smaller range (the simpler equation, in terms of T).
A hot tub with a surface area of 28 ft2 is filled with water to a depth of 29 in . Hint: volume is calculated as area × height (A × h). A) What is the volume of water in the tub, in liters? Express your answer to two significant figures and include the appropriate units. B) How many kilojoules are needed to heat the water from 59∘F to 103 ∘F? Express your answer to two significant figures and include the appropriate units. C) If the hot-tub heater provides 5900 kJ/min, how long, in hours, will it take to heat the water in the hot tub from 59∘F to 103∘F? Express your answer to two significant figures and include the appropriate units.
Question 3 please

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