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The Kingston Steam Plant burns 14,000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year (enough for 700,000 homes). Coal is primarily carbon which undergoes combustion in the following reaction:
C(s) + O2 (g) -> CO2(g)
How many grams of oxygen is required for the combustion of 1 day's coal?How much carbon dioxide is produced each day?
A 4.30 g nugget of pure gold absorbed 293 J of heat. The initial temperature was 29.0°C. What was the final temperature?
milk is pasteurised when heated to 63 C for 30 minutes, but if it is heated to 74 C it takes only 15 seconds for the same result. Find the activation energy for this sterilisation process
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water.
which of the following reaction mechanisms proceeds with inversion of configuration at a stereogenic center?a. sn2b.
assume that you have two unlabled bottles, one with cyclohexane and one with cyclohexene. How could you tell them apart by carrying out chemical reactions
A gas occupies a volume of 480 mL at 127 degrees celsius and 148 mmHg. What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
an aqueous cacl2 solution has a vapor pressure of 82 mm hg at 50c. the vapor pressure of pure water at this temperature
vessel is filled with .202 mol of NO and .202 mol of O3 at 366K. Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
A solution is prepared by dissolving 267 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C
Write the balanced neutralization reaction between H2SO4 and KOH in aqueous solution. Phases are optional.
Calculate the partition coefficient of caffeine between water and each of the other three solvents. Which of these three organic solvents would be the best choice for extracting caffeine from an aqueous solution?
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