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Assume that ethanol (C2H5OH) of 155 grams at the temperature of 25 degrees Celsius is mixed with 250 grams of ethanol(C2H5OH) at 89 degrees Celsius at constant atmospheric pressure in a thermally insulated vessel. Determine the change in Ssys for the process if specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Determine the numbers of moles of iron that would be formed from 6.2 moles of CO (carbon monoxide) combining with excess of iron (III) oxide (Fe2O 3 )?
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
clockwise direction around a circular track with a constant speed of 200 km/hr. if is at the southernmost end of the track then determine the velocity of the car?also express your answer in M/S
Determine the mass of snow that can be completely melted - Determine the mass of snow (frozen water) that can be completely melted with the application
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
Determine what will be the major product expected from chronological treatment of propylbenzene with 1) KMnO 4 , 2) 3)H 3 O + , Cl 2 and FeCl 3 , and iv) Br 2 and FeBr 3 ?
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
What is the total energy of the photons detected in a period of one hour If a radiation detector is capturing 8 X 10^7 photons per second at this wavelength,?
How long will it take for 75% of nitrogen dioxide to decompose if the initial concentration of nitrogen dioxide is 1.33M
process it is given that Rubidium has a heat of vaporization =69.0 kJ/mol at its boiling pt= (686°C). Compute ΔS for this process?
Chemistry Questions on Calculate P H
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