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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
How much heat is required to raise the temperature of a mole of oxygen from 298 to 3000 K at constant pressure
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 àC. How many joules of energy are necessary to heat the steam from 100.0 àC to 114.0 àC if the specific heat of steam is 2.01 J/g àC?
calculate script edeg values for the following cells. which reactions are spontaneous as written under standard
what are some examples of situations where recrystallization would not be suitable to purify an organic compound
Consider an ideal gas with a volume of V1. To what volume would you need to compress the gas to double its pressure?
calculate the molarity and mole fraction of a 1.43 m solution of acetone ch3coch3 dissolved in ethanol c2h5oh. density
What is the pH of the equivalence point of the two solutions if you then titrate these solutions separately with the NaOH solution? The Ka for acetic acid is 1.8e-5.
How do you calculate the mass of solvent (assume that the density of water is 1.000g/mL): Please show how to solve the problem. NaCl with a mass of 11.47g and volume of water 108.76g
Consider n moles of ideal gas kept in a heat isolated cylinder (all processes are adiabatic) with a piston at extrnal pressure P(i), and at the temperature T(i). the extrnal pressure is suddenly changed to P=2P(i), and we wait for the system to eq..
The temperature of a 2.o-liter sample of helium gas at stp is increased to 27 degrees Celsius and the pressure is decreased to 80kpa what is the new volume of the helium sample?
at equilibrium the flask containing the reacting mixturenis 4 cog --gt nico4gcontains 232 torr co 1240 torr nico4 and
1-buytyl bisulfate may serve as teh precursor to an ether and an alkene as well as the desired 1-bromobutane. provide
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