6. In 2021, 1,039,641 ha of forests burned in wildfires in California. a. If we assume that there is about 100 Mg/ha of carbon (C) stored in aboveground biomass (tree biomass) in conifer forests in California (based on Cook-Patton 2020, Nature), approximately how much CO2 was emitted from wildfires in California in 2021? Express your answer in MT (MegaTonnes) CO2 and use correct sig figs. You can assume that 50% of aboveground biomass carbon is released into the atmosphere due to a wildfire (that is, for every 1 Mg of carbon aboveground in trees, 0.5 Mg is emitted to the atmosphere when it burned). Using some general chemistry, you know that there is 12 g of C in a mole of CO2, which has a total molecular weight of 44 g/mol. b. What percentage of total CO2 emissions in California in 2021 (381 MMT or million metric tons) was due to wildfire emissions (your answer to a)? c. Do you Why? think that wildfire management is an important climate mitigation strategy for California?
6. In 2021, 1,039,641 ha of forests burned in wildfires in California. a. If we assume that there is about 100 Mg/ha of carbon (C) stored in aboveground biomass (tree biomass) in conifer forests in California (based on Cook-Patton 2020, Nature), approximately how much CO2 was emitted from wildfires in California in 2021? Express your answer in MT (MegaTonnes) CO2 and use correct sig figs. You can assume that 50% of aboveground biomass carbon is released into the atmosphere due to a wildfire (that is, for every 1 Mg of carbon aboveground in trees, 0.5 Mg is emitted to the atmosphere when it burned). Using some general chemistry, you know that there is 12 g of C in a mole of CO2, which has a total molecular weight of 44 g/mol. b. What percentage of total CO2 emissions in California in 2021 (381 MMT or million metric tons) was due to wildfire emissions (your answer to a)? c. Do you Why? think that wildfire management is an important climate mitigation strategy for California?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 123QRT
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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
Transcribed Image Text:6. In 2021, 1,039,641 ha of forests burned in wildfires in California.
a.
If we assume that there is about 100 Mg/ha of carbon (C) stored in aboveground biomass (tree
biomass) in conifer forests in California (based on Cook-Patton 2020, Nature), approximately how
much CO2 was emitted from wildfires in California in 2021? Express your answer in MT
(MegaTonnes) CO2 and use correct sig figs. You can assume that 50% of aboveground biomass
carbon is released into the atmosphere due to a wildfire (that is, for every 1 Mg of carbon
aboveground in trees, 0.5 Mg is emitted to the atmosphere when it burned). Using some general
chemistry, you know that there is 12 g of C in a mole of CO2, which has a total molecular weight of
44 g/mol.
b. What percentage of total CO2 emissions in California in 2021 (381 MMT or million metric tons) was
due to wildfire emissions (your answer to a)?
C. Do you think that wildfire management is an important climate mitigation strategy for California?
Why?
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