ossil Fuel Consu. previous | Item 1 | next » Part A Globally, in 2010 and 2012,
ID: 540199 • Letter: O
Question
ossil Fuel Consu. previous | Item 1 | next » Part A Globally, in 2010 and 2012, respectively, there were about 9.20 billion metric tons and 9.60 billion metric tons of carbon in Earth's atmosphere. Determine the increase in carbon (C) and carbon dioxide (CO2) in the atmosphere in units of metric tons between 2010 and 2012. Express the masses in metric tons to two significant figures separated by a comma. Hints metric tons Submit My Answers Give Up Part B The figure lists the concentration of CO2 in air in terms of parts per million by volume ( ppmv) Determine the increase in volume (in mL) of CO2 in 1.00 m3 of air between 1880 and 2014 Express the volume in milliliters to three significant figures Hints 9:21 PM do: 10/13/2017Explanation / Answer
Increase in CO2 from 2010 to 2012 = tonnes of CO2 in 2012 - tonnes of CO2 in 2010
= 9.6 billion metric tonnes - 9.2 million metric tonnes = 0.4 billion metric tonnes
1 billion = 1,000,000,000
0.4 billion = 400,000,000 metric tonnes carbon
in atmosphere it should be majorly present as CO2
C + O2 -----> CO2
12g carbon give 44g CO2
400,000,000 metric tonnes carbon gives = 44/12 x 400,000,000 metric tonnes carbon
= 1,466,666,666 metric tonnes CO2
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