Therefore, Mass of an air molecule = 28.2 / 5 x 10-26 = 5.6 x 10-26 kg. Calculate the mass of air in a room measuring {eq}5 m \times 8 m \times 10 m Cloudflare Ray ID: 5f174978db801ea5 You may need to download version 2.0 now from the Chrome Web Store. or\\ • The compound K2O2 exists. Density gives an idea about the amount of matter present in a given volume. \text{Density} = \frac{\text{Mass}}{\text{Volume}}\\ Services, Working Scholars® Bringing Tuition-Free College to the Community. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. \rho = \frac{m}{V} Create your account. A chemist can determine... How many moles of methanol (CH3OH) are in a... How many grams of ethanol (CH3CH2OH) are there in... What is Volume in Science? It is given by: {eq}\displaystyle{ Mass of an air molecule. PV=nRT. © BrainMass Inc. brainmass.com October 1, 2020, 4:26 pm ad1c9bdddf, Best Restaurants in the US: 5-Number Summary, Boxplots, and Correlation Coefficients, Pressure, Temperature and Absolute Zero Calculations. The way to figure the weight of air in a typical room, maybe 10 feet by 12 feet by 8 feet high, is to find the volume of the room which is filled with the air and find the weight of each small unit of volume and then apply the definition of density which is equal to mass divided by volume. The equivalent molar mass of air (82%N2 and 18% O2) is 28.7 g/mol. Answer to: Calculate the mass of air in a room measuring 5 m \times 8 m \times 10 m if the density of air is 1.3kg/m cube. Number of molecules in a room 24 m 3, N = 5 x 10 26. Which of the following compounds is not an ionic... 90Sr2+ has: a. The temperature in the room was 293 deg K. The atmospheric pressure was 1.00 atm. Mass to mole ratio of air = 0.029 kg/mol, Please see the attached document for the well formatted asnwer. {/eq} if the density of air is 1.3kg/m cube. {/eq} are the dimensions of the room are. As is turns out, the approximate density of air at sea level (and at 20 C) is 1.2 kilograms per cubic meter. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. {eq}l\times b\times h = 5\ m \times 8\ m\times 10\ m Take the density of air as 1.3 kg m-3. Performance & security by Cloudflare, Please complete the security check to access. If you react 22.05 grams of A and obtain 91.27... A particular oral contraceptive contains 0.046 mg... What atom has 15 electrons and 19 neutrons? Answer in MS Word format. 56 neutrons b. Mass of air molecules in a room 24 m 3, M = Vp = 24 x 1.2 kg = 28.2 kg. All rights reserved. Dimensions of room=4.5 m x 3.5 m x 2.5m So ,the volume= length x breadth x height = 4.5 x 3.5 x 2.5 = 39.375 m3 Given that density of air =1.3 kg m-3 We have a relation: Mass= denstiy x volume = 1.3 x 39.375 =51.188 kg Previously calculated room to be 1.0 x 10 -2m by 1.5 x 10 -2 m Density = mass / volume volume = (1.0 x 10 - 2) x (1.5 x 10 - 2) x 2.3 x 1.3 = 4.485 x 10 - 4 kg it's meant ot be 51.8 kg. Sciences, Culinary Arts and Personal n= PV/RT = … Which ionic formula is incorrect? 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Find out the mass of the air in a room 3.00m by 4.00m by 5.00m given that the temperature is 200 C at atmospheric pressure (1atm = 101000 Pa) This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here! Step by step answer in an easy to understand format. answer! {/eq}, Become a Study.com member to unlock this } Find out the mass of the air in a room 3.00m by 4.00m by 5.00m given that the temperature is 200 C at atmospheric pressure (1atm = 101000 Pa) Given that, Universal gas constant R = 8.314 J/ mol K, Boltzmann’s constant kB = 1.38 x 10-23 J/K Mass to mole ratio of air = 0.029 kg/mol • Figure out the cubic meters of the room and multiply that by the mass of a cubic meter of air. How to calculate the mass of air in a room ? Given that, Universal gas constant R = 8.314 J/ mol K, Boltzmann’s constant kB = 1.38 x 10-23 J/K Your IP: 136.243.145.137 If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Another way to prevent getting this page in the future is to use Privacy Pass. When students know more about the structure of air (mainly nitrogen and oxygen) then the mass of their atoms can be estimated (they are fairly close in mass). Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Which of the following compounds would you expect... An iron-56 nucleus contains: a. © copyright 2003-2020 Study.com. where am i going wrong? Calculate the mass of air in the room, the height of which is 2.3m.

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