Which process directly adds carbon into the atmosphere?CO2OA. increasing plant populationsOB. decreasing animal populationsOC. burning fossil fuelsforming sedimentary rockOD-0044 jpg

Carbon dioxide can be emitted to the atmosphere through various human activities. This results in…

Answered: Which process directly adds carbon into…

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter9: Energy For Today

Section: Chapter Questions

Problem 56E

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Propane, C3H8, is a hydrocarbon that is commonly used as a fuel. (a) Write a balanced equation for the complete combustion of propane gas. (b) Calculate the volume of air at 25 C and 1.00 atmosphere that is needed to completely combust 25.0 grams of propane. Assume that air is 21.0 percent O2 by volume. (Hint: we will see how to do this calculation in a later chapter on gasesfor now use the information that 1.00 L of air at 25 C and 1.00 atm contains 0.275 g of 2 per liter.) (c) The heat of combustion of propane is 2,219.2 kJ/mol. Calculate the heat of formation, Hf of propane given that Hf of H2O(l)=285.8 kJ/mol and Hf of CO2(g)=393.5 kJ/mol. (d) Assuming that all of the heat released in burning 25.0 grams of propane is transferred to 4.00 kilograms of water, calculate the increase in temperature of the water.
4.60 Why are fuel additives used?
How many grams of CO2 are produced from burning one gallon of biodiesel(3,311 g of biodiesel)?C19H36O2 + 27O2 ---> 19 CO2 + 18 H2O
From the discussion question from Module 5, recall the chemical equation for the combustion of gasoline (iso-octane, C8H18) is: 2C8H18 + 25O2 ---> 16CO2 + 18H2O This means that 2 moles of iso-octane combine with 25 moles of CO2 to produce 16 moles of CO2 and 18 moles of water. This is important for understanding the impact of fossil fuel use on the atmosphere because burning one mole of fuel adds a lot of CO2. Thinking about this in terms of the stoichiometry, and change in concentration, suppose we had 1.0 mole of iso-octane dissolved in 1.0 m3 of atmosphere. That means the concentration of carbon-containing molecules would be 1 mole per cubic meter. However, ff we burned all that iso-octane and convert the C8H18 into CO2 the concentration of carbon-containing molecules increases. How much does the concentration of carbon-containing molecules increase if 1.0 mole of C8H18 in 1.0 m3 of air is converted into CO2 as shown in the chemical equation above?
These fuels are produced from the remains of ancient plants and animals by exposure to high heat and pressure in the absence of oxygen in the earth’s crust. A. fossil fuels B. nuclear fuels C. Biofuels
Why are human activities that release carbon dioxide into the atmosphere causing concern?
What is the most commonly used fuel for FAAS, acetylene-N20 or acetylene-air?
A large sport utility vehicle has a mass of 2.5 * 103 kg. Calculate the mass of CO2 emitted into the atmosphere upon accelerating the SUV from 0.0 mph to 65.0 mph. Assume that the required energy comes from the combustion of octane with 30% efficiency. (Hint: Use KE = 1/2 mv2 to calculate the kineticenergy required for the acceleration.)
What is one way that cars release carbon into the atmosphere? Group of answer choices a. ice b. combustion c. photosynthesis d. cellular respiration
Ozone is depleted in the stratosphere by chlorine from CF3Cl according to this set of equations:CF3Cl + UV light -------> CF3 + ClCl + O3 ------>ClO + O2O3 + UV light ---------> O2 + OClO + O ----------->Cl + O2 What total volume of ozone at a pressure of 25.0 mmHg and a temperature of 225 K is destroyed when all of the chlorine from 15.0 g of CF3Cl goes through ten cycles of the above reactions?
Climate change caused by greenhouse gases affect the environment and human health. Describe two health and two environmental factors that are a result of climate change.
Aside from methane, carbon dioxide, water vapor, and nitrous oxide, give two more examples of greenhouse gases. Describe the mechanics and illustrate how they impact on the atmosphere.

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Which process directly adds carbon into the atmosphere? CO2 OA. increasing plant populations OB. decreasing animal populations OC. burning fossil fuels forming sedimentary rock OD -0044 jpg