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Suppose that a coal-fired power plant converts energy from coal into electrical energy with 36 percent efficiency. How many kilojoules of energy from coal are needed to produce 1.0 jk of electrical energy?
Household ammonia, NH3 is a weak base. 10.00mL of ammonia was titrated with 0.1683 mol/L HCL 22.74 mL was required to reach the equivalence point. Calculated the PH after 0.00mL, 6.52mL, 11.37mL, 28.28mL, of hydrochloric acid solution are added.
Samples of the following volatile liquids are opened simultaneously at one end of a room. If you ate standing at the opposite end of the room, list the following species in order you would smell them? Assume that your nose is equally sensitive to ..
upon decomposition one sample of magnesium fluoride produced 1.65 of magnesium and 2.57 of fluorine. a second sample
Urea { (NH2)CO } is used for fertilizer supplyingnitrogen to the soil. Calculate the number of N atoms foundin 1.68 * 10^4g of urea.
how many grams of lead ii chloride is produced when 13.87 g lead ii nitrate combines with hydrochloric acid to produce
How will each of these changes affect the cell potential and why? a) Solid sodium hydroxide is added to the copper cell. b) 0.15 M iron (II) sulfate is added to the iron cell. c) Water is added to each cell so that the volume of each solution is d..
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
The rate constant for a certain reaction is = 5.70×10-3 s^-1. If the initial reactant concentration was 0.650 M, what will the concentration be after 14.0 minutes.
Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq),
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode (with saturated KCl)
What is delta S for the conversion of 10 g of supercooled water at -10 degrees Celsius and 1 atm to ice at 10-10 degrees Celsius and 1 atm?
container at a temperature of 47C exerts a pressure of 6.3 atm. Calculate the number of moles in the sample
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