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1) In 2010, the amount of paper recovered for recyclingaveraged 334 pounds for each person living in the US, according to the American Forest & Paper Association. The authors of the article reported that recycled paper can be incinerated with an average energy output of 16.29 MJ/Kg releasing 3.9x10^7 kg/CO2 a year. If the population in 2012 was 313,914,040, how much energy (MJ) can be obtained from incineration and how much CO2 (kg/year) may be released in that year?
2) How much of that energy (MJ) can be actually converted into electric power if the conversion efficiency is 23%?
Calculate the pH of the following aqueus solution: 0.61 M NH4Cl (pKb for NH3=4.74)
What is the main structural feature of the azo dyes that causes them to be colored compounds?
How much heat is released when 105 g of steam at 100 Co is cooled to ice at -15Co? the enthalpy of vaporization of water is 40.67 KJ/mol, the enthalpy of fusion for water is 6.01KJ/mol,
A 28.0-g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Write down a lewis structure for SbCl5 and also explain Does the the octet rule is obeyed by this molecule Explain how many grams would 3.01 * x10 23 atoms of tellurium have?
What difference in their structural properties renders the triethylene glycol the only one that will work?
Determine the concentration of H+ ions in a solution of HCl that was prepared b diluting 50.0 mL of concentrated (11.6 M) Hydrochloric acid to a final volume of 500mL?
Which of the following correctly summarizes the exact relationships between the SN values of 2 to 6, the hybrid orbital names, and the predicted geometries for molecules that have hybridized central atoms?
How many grams of hydrogen chloride can be produced from 350 grams of sodium chloride and 290 grams of hyroden sulfate if the reaction has a yield of 88%?
What volume in milliliters of a 0.0992 M NaOH solution is required to reach the endpoint in the complete titration of a 15.0 mL sample of 0.107 M H3PO4?
What is the molarity of ZnCl2 that forms when 30.0 grams of zinc completely reacts with CuCl according to the following reaction? Assume a final volume of 275.
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. what is the specific heat of this substance.
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