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calculate the amount of sulfer dioxide produced annually by a power plant that burns 7.5 million metric tons (t) of coal over a year. assume that the coal is 2.1% sulfer by mass
The enthalpy change for the reaction below at 25oC is -1,249 kJ (per mole of C6H14). What is the internal energy change for the reaction at 25oC? 6 CO(g) + 13 H2(g) --> C6H14(l) + 6 H2O(l)
Which of the following is/are network covalent compounds A. sodium chloride B. diamond C. quartz (silicon dioxide) D. both B & C
Calculate the freezing point of a solution of 23.4 grams of benzoic acid (C6H5CO2H) dissolved in 613 grams
Calculate the formula mass of each compound given below. Keep at least one decimal place in atomic masses from the periodic table.
The family estimates that it will take an average of 21 GJ of energy per month to keep the house heated to this temperature for 5 cold months. The cost of electrical energy is $0.185/kWh (kilowatt-hour).
A metal has crystallized with a face-centered cubic lattice. The edge of the unit cell is 366 pm. What is the diameter of the metal atom?
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
What is the estimated temperature of the object using the above approximate prescription? what is the percent error?
Find out the concentration of this solution 1) in m (molality), 2) XHX (mole fraction of HX), 3)% w/w (percent by mass) if solvent in this solution is H 2 O. ?
a.) Available Electrons (AE) b.) Needed Electrons (NE) c.) Geometry Description d.) Number of sigma bonds e.) bonding description f.) lewis dot structure
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
What weight of sulfuric acid will be needed to react completely 35.5g of ammonia in the production of ammonium sulfate.
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