Advanced Placement (AP), 04.05.2021 03:00, dylancasebere
9. Coal from source A produces sulfur at a rate of 18g per 100kg of coal. Coal from source B
produces sulfur at a rate of 458 per 270kg of coal. Source A sells coal for $0.65/kg and source
B sells for $1.50/kg.
a. How many grams of sulfur would be released from the combustion of $100 of each
source of coal? (round to the nearest tenth)
b. We use about 7 billion metric tons of coal worldwide per year for electricity generation.
Using the least pollution coal source, how many kilograms of sulfur would be released
per year?
Answers: 2
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Type the correct answer in each box. use = 3.14 and if necessary, round your answers to the nearest hundredth. the area of the largest cross section of a sphere and the circumference of the sphere are in the ratio 4: 1. cm. the area of the largest cross section is about the radius of the sphere is cm. the circumference of the sphere is about cm2. the volume of the sphere is about cm?
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9. Coal from source A produces sulfur at a rate of 18g per 100kg of coal. Coal from source B
prod...
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