29. A sample of air was collected near a busy street in LA county. The air sample contained PM2.5 particles that have a total mass of 6.0 x 10 ug (micrograms). The air sample was collected in a container that measures 3.0x10-2 m (length) by 1.0x10-2 m (width) by 1.0x10-² m (height). Calculate the density in units of ug/m³ (micrograms per cubic meter). Look up the World Health Organization guidelines for PM2.5 (or do a google search for "who pm2.5 guidelines") and discuss if the level may be harmful to health. A) 2.0 x 10+' B) 2.0 x 10-11 C) 2.0 × 10-17 D) 5.0 E) 2.0 x 10* µg/m³ ug/m³ ug/m³ ug/m³ ug/m³ Molar mass 12 grams per mole 16 grams per mole
29. A sample of air was collected near a busy street in LA county. The air sample contained PM2.5 particles that have a total mass of 6.0 x 10 ug (micrograms). The air sample was collected in a container that measures 3.0x10-2 m (length) by 1.0x10-2 m (width) by 1.0x10-² m (height). Calculate the density in units of ug/m³ (micrograms per cubic meter). Look up the World Health Organization guidelines for PM2.5 (or do a google search for "who pm2.5 guidelines") and discuss if the level may be harmful to health. A) 2.0 x 10+' B) 2.0 x 10-11 C) 2.0 × 10-17 D) 5.0 E) 2.0 x 10* µg/m³ ug/m³ ug/m³ ug/m³ ug/m³ Molar mass 12 grams per mole 16 grams per mole
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:29. A sample of air was collected near a busy street in LA county. The air sample
contained PM2.5 particles that have a total mass of 6.0 x 10-³ ug
(micrograms). The air sample was collected in a container that measures
3.0x10- m (length) by 1.0x10-² m (width) by 1.0x10-² m (height). Calculate
the density in units of ug/m (micrograms per
Health Organization guidelines for PM2.5 (or do a google search for "who
pm2.5 guidelines") and discuss if the level may be harmful to health.
A) 2.0 × 10+'
cubic meter). Look up the World
µg/m³
µg/m³
µg/m²
µg/m³
µg/m³
3
B) 2.0 × 10-11
C) 2.0 × 10-17
D) 5.0
E) 2.0 × 10+7
Molar mass
C
12 grams
per mole
16 grams
per mole
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