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Problem- One mole of ideal gas is isothermally expanded from 5.0L to 10L at 300K. Calculate the entropy changes of the system, surroundings and universe if the process is carried out (A) , reversibly and (B)Irreversibly against an external pressure of 2.0 atm.
Hello Experts please provide me the detailed computation for above question
Calculate the percent enantiomeric excess of the contents of the bottle labeled as just menthol. For the purchased sample what percentage of (-)-menthol is indicated by this measurement?
The k1 is on top of the right pointing arow and k2 is below the left pointing arrow and the arrows are like they are in equilibrium. The k3 is above the lone arrow in the second reaction. In the find expression part the N02 is a subscript of P
when 2-butanol undergoes E1 dehydration,three alkenes are obtained. Draw the sturctures for these alkenes.Which alkene would you predict to be formed in greatest abundance.
enzyme responsible for part of the signaling cascade that leads to replenishment of the stomach lining is inhibited by these drugs. How does it differ from the COX-2 enzyme responsible for inflammation?
Consider a buffer by dissolving .139 M sodium benzoate and .081 M benzoic acid in water and adjusting the final volume of the solution to 500 mL. pKa of benzoic acid = 4.19. What is the pH of the buffer
A solution of 62.4 g of insulin in enough water to make 1.000 L of solution has an osmotic pressure of 0.305 atm at 25°C. Based on these data, what is the molar mass of insulin?
The energy necessary to generate a dislocation is proportional to the square of the length of the burgers vector.IbI^2, this relationship means that the most stable dislocations have the minimum length
If molar magnetic susceptibility (Xm) is measured in m^3/mol, what must be the units on B(calibration constant)? what are the units on the 3.7278 in the formula for the magnetic susceptibility of Mohr's salt? what are the units on the 8.07 in the ..
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content
A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32
For Stronium oxide, SrO, the solubility in water is 0.69 g per 100mL at 30 degrees C and 22.8g per 100 mL at 100 C. Write the equation for the solubility equilibrium, including heat as a reactant or product
Draw molecular structure of the following compounds. Identify the : paraffins, olefins, alkynes, naphthenes,and aromatics.
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