Advanced Placement (AP), 01.04.2021 04:30 0140875
Coal from source a produces sulfur at a rate of 15g per 100kg of coal. Coal from source b produces sulfur at a rate of 50g per 400kg of coal. Source a sells for $0.50 per kilogram and source b costs $1.25 per kilogram.
a) How many grams of sulfur would be released from the combustion of $100 of each source of coal?
b) We use about 7 billion metric tons of coal worldwide per year for electricity generation. Using the least polluting coal source, how many kilograms of sulfur would be released per year?
Answers: 2
Advanced Placement (AP), 23.06.2019 06:30
An important skill for the beginning home inspector is a. familiarity with reading electric meters. b. good telephone interviewing technique. c. experience in issuing building permits. d. ability to interpret building codes.
Answers: 3
Advanced Placement (AP), 24.06.2019 20:00
Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?
Answers: 1
Advanced Placement (AP), 25.06.2019 20:00
Long-term alcohol use can cause major depression. a. true b. false
Answers: 2
Advanced Placement (AP), 28.06.2019 22:10
Astudy is to be conducted to determine whether a die is fair. how many degrees of freedom are there for a chi-square goodness-of-fit test? three four five six seven
Answers: 1
Coal from source a produces sulfur at a rate of 15g per 100kg of coal. Coal from source b produces s...
Social Studies, 31.05.2020 11:57
Mathematics, 31.05.2020 11:57
Mathematics, 31.05.2020 11:57
Chemistry, 31.05.2020 11:57
Physics, 31.05.2020 11:57
Arts, 31.05.2020 11:57
Computers and Technology, 31.05.2020 11:57