Which of these tables best represents the amount of carbon dioxide emitted in pounds per megawatt hour (lbs/MW-hr) due to four different energy production technologies? Energy production Technology Amount of carbon dioxide emitted (lbs/MW-hr) Natural gas 1000 Geothermal 200 Oil 1500 Coal 2000 Energy production Technology Amount of carbon dioxide emitted (lbs/MW-hr) Natural gas 1000 Coal 200 Oil 1500 Geothermal 2000 Energy production Technology Amount of carbon dioxide emitted (lbs/MW-hr) Natural gas 1000 Coal 200 Geothermal 1500 Oil 2000 Energy production Technology Amount of carbon dioxide emitted (lbs/MW-hr) Geothermal 1000 Natural gas 200 Oil 1500 Coal 2000

13. calculate the initial concentration (before precipitation) of carbonate ions after the addition of each 0.05 ml of solution b to the 1.00 l beaker of solution a. divide the work among group members and write the answers in the table in model 3. assume the volume change as solution b is added is negligible. 14. notice the initial concentrations of zn2+ - and cu2+ in the table in model 3. a. explain how these were obtained from the data in model 2. b. as solution b is added and precipitates form, do these initial concentrations change? 15. use the data in model 2 to indicate the presence of precipitate (either znco3 or cuco3) after each 0.05 ml addition of solution b in model 3. 16. use the initial concentrations of carbonate ions and zinc ions to calculate the reaction quotient, qsp for the zinc carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3. 17. use the initial concentrations of carbonate ion and copper(ii) ions to calculate the qsp for the copper(ii) carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What are the first three quantum numbers for the electrons located in subshell 2s?