What is the 'Energy per degree of freedom' of a gas particle at temperature 276K? State the answer in [eV] units. Make sure you state the answer in the units specified. Canvas is not able to accept scientific notation at this point for numerical inputs. This means you need to enter numbers like 2.34E-3 as 0.00234. 5.71E-21

What is the 'Energy per degree of freedom' of a gas particle at temperature 276K? State the answer in [eV] units. Make sure you state the answer in the units specified. Canvas is not able to accept scientific notation at this point for numerical inputs. This means you need to enter numbers like 2.34E-3 as 0.00234. 5.71E-21

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Calculate the average kinetic energy (unit J) of O2 molecule at 480K. Please enter your answer using scientific notation with 3 significant figures, for example: 2.54E-25.
ere's the second problem. You are doing an experiment in a laboratory that is 30.ºC and 1.080 atm of pressure. You take a 0.240L flask that weighs 98.005g and fill it with CO₂. After it is filled it weighs 98.206g. Calculate the molar volume of the CO₂! VSTP = P₁V₁T STP T1PSTP 1.080 * 0.240* 273 303*1 = 0.233L 1.200 * 0.240 = 0.2889 0.4899 98-206-98-005 +0.288 = 0.4 0.489/44.81 = 0.0111mol.com 0-233/0.0111 = 20.99 L/mol Mass of air = (density of air)(volume of flask) 1.200 * 0.240 = 0. 0.2889 Mass of CO₂ = (Mass of flask filled with CO₂) - (Mass of empty flask) + (Mass of air) 92-206-98·005 +0.288 = 0 0.4899
A gas occupies a volume of 240 ml at 65°C and 297 kPa. What is the volume of the gas at STP? Show your work. Include units on your answer. (STP is standard temperature and pressure. Standard temperature is 273 K and 101.3 kPa.)
tiv Chemistry esc + • https://app.101edu.co X O E Q Aktiv Chemistry A 2 What is the temperature, in K, of 0.250 moles of krypton in a 5.00 L vessel at 1.39 atm? W S #3 20 F3 E X D 4 Lab - Alum 000 F4 R F C 5 F5 T × | + Question 11 of 13 G Y & 7 H U 8 DII FB J 9 8 F9 K 1 4 7 기 +/- 0
5.- Nitrogen gas occupies a volume of 4.30 L at 54°C. If its volume increased to 7.80 L at the same pressure. Calculate the final temperature in kelvin. 235k 2k 593.163k 334.43k 200k
A reaction at 19.0°C evolves 483.mmol of carbon dioxide gas. Calculate the volume of carbon dioxide gas that is collected. You can assume the pressure in the room is exactly 1atm . Be sure your answer has the correct number of significant digits.
Suppose you have 1.25 moles of gaseous napthalene (C10H8) at T = 292 K. What is the average kinetic energy of one molecule of napthalene? (The molar mass of napthalene is 128 g/mol. You may assume that the gas molecules behave ideally.)
Calculate to three significant digits the density of carbon monoxide gas at exactly −20°C and exactly 1atm . You can assume carbon monoxide gas behaves as an ideal gas under these conditions.
Please help, will provide helpful ratings for correct solution. (Gpt/Ai wrong ans not allowed) Q.A reaction at 18.0 °C evolves 603. mmol of sulfur tetrafluoride gas. Calculate the volume of sulfur tetrafluoride gas that is collected. You can assume the pressure in the room is exactly 1 atm. Be sure your answer has the co number of significant digits. volume: L x10 X
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Da Qlaccd ← C ||| tab s lock fn esc K →1 Home | O STATES OF MATTER Using the combined gas law atm McGr A ALEKS ALEKS https://www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmym9ysAg Explanation ? Mc ALEKS Graw Type here to search A For many purposes we can treat ammonia (NH3) as an ideal gas at temperatures above its boiling point of -33. °C. Suppose the temperature of a sample of ammonia gas is raised from -24.0 °C to 21.0 °C, and at the same time the pressure is changed. If the initial pressure was 5.6 atm and the volume increased by 30.0%, what is the final pressure? Round your answer to the correct number of significant digits. N @ D 2 Check W McGr A AX S # X alt 3 E D f4 $ Mc Graw 4 C x10 F X O f5 % 40 5 V 100 -- f6 G 4- B Y 4+ & H Graw McGr M Sessic A ALEKS 7 NO fg N IAA * 8 © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessi_ a ? J M 9 Mc K McGr A ALEKS f10 fm > Mc Graw RxIVzFNDCs.. A" 12. McGr A ALEKS +…
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. However, given the same kinetic energies, a lighter molecule will move faster than a heavier molecule, as shown in the equation for rms speed 3 RT rms speed %3D where R = 8.314 J/(mol-K) and M is molar mass in kilograms per mole. Note that a joule is the same as a kilogram-meter squared per second squared (kg-m²/s²). What is the rms speed of O, molecules at 411 K? rms speed: m/s What is the rms speed of He atoms at 411 K? rms speed: m/s