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Given the values of DGfo given below in kJ/mol, calculate the value of DGo in kJ for the combustion of 1 mole of propane to form carbon dioxide and liquid water.
DGfo (C3H8(g)) = -23.5
DGfo (CO2(g)) = -397.9
DGfo (H2O(l)) = -238.2
CCl2F2 can be recycled into a different compound by reaction with hydrogen to produce CH2F2, a compund useful in chemical manufacturing.
Use the character table to derive which vibrational modes are IR active and which are Raman active
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
A hot-air dryer is used to reduce the moisture content of 1500 kg/min of wet wood pulp from 0.75 kg H20/hg dry pulp to 0.15 wt% H20. Air is drawn from the atmosphere at 28 deg. C, 760 mmHg, and 50% relative humidity, sent through a blower-heater, ..
A salt water mixture is 33.0% (w/w) walt. (The w/w refers to weight / weight or mass / mass). If there are 300.0 g salt in the mixture, what is the total weight of the mixture?
produces carbon dioxide and water. After 5.6 of ethanol (density = 0.789 ) was allowed to burn in the presence of 12.5 of oxygen gas, 3.10 of water (density = 1.00 ) was collected. Determine the theoretical yield of H2O and the percent yield for th..
effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
Calculate the equilibrium constant Kp for the reaction, {rm SO_2 (g) + 2 H_2S (g) rightleftharpoons 3 S(s) + 2 H_2O(g)} at a temperature of 298 rm K
The reaction will be spontaneous at high temperatures because increasing the temperature of a system with a negative change in S eventually results in a positive change in G.
Molarity is only one of many ways to express concentration. Another is percent mass per volume or %(m/v). For example, vinegar usually contains about 5 %(m/v) acetic acid(5g acetic acid/100 mL vinegar)
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 4.829E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron?
Silver phosphate, Ag3PO4 has a certain molar solubility in otherwise pure water, but that the molar solubility increases if the solution is made acidic. However, AgCl is NOT more soluble in acid, than it is in neutral solution. How does this happe..
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