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an ideal gas is expand at a constant temperature with the pressure changing from 10 bar to 1 bar. assume Cp,m = 5/2Rcalculate delta U, delta H, delta S?.
An ideal gas is expanded reversibly from initial conditions of Vi= 10 L and Ti = 25C to Vf= 100L and Tf= 150C calculate delta S?the standard entropy of Pb(s) at 298.15k is 64.80 jk-1 mol-1. assume that the heat capacity of Pb(s) is given by Cp,m (Pb,l)/jk-1mol-1 = 32.51 -.00301 t/k. calculate the standard entropy of Pb (l) at 650 C. calculate delta H for the transformation Pb(s,25)---Pb (650 C)?.
20 millilitres of H2SO4 solution was titrated against 0.2M NaOH and required 12.4 millilitres to reach the end point. calculate the concentration of the H2SO4 solution in (a)Molarity (b) g/l.
Understanding of chemistry basics - which of the following is not changed by the activity of an enzyme during a chemical reaction?
A weather balloon containing 605 L of He is released near the equator at 1.01 atm and 305 K. It rises to a point where conditions are 0.489 atm
What is the final pressure in the bottle for a monatomic gas, for which CV,m = 3/2R, and a diatomic gas, for which CV,m = 5/2R?
The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL-1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 507-mm column of di-n-butyl phthalate
which two ions have the same electron configuration in the ground state (a) Rb+ and Ca+ (b) Ba2+ and I- (c) Se2+ And I- (d) Fe2+ and Fe3+
What mass of silver chloride would be formed from mixing 250 mL of 0.240 M MgCl2 solution with 200 mL of 0.380 M AgNO3 solution? AgCl FWT = 143.32 g/mol
Why is it necessary to first "process" the broccoli before preparing the test sample? What factors are affected that will adversely influence
Adipic acid and citric acid have very similar melting points. Given two unkown samples, one being citric and the other adipic acid
What product forms at each electrolode in the aqueous electrolysis of the following salts: 1. LiF 2. SnSO4
What must be the velocity, in meters per second, of a beam of electrons if they are to display a de Broglie wavelength of 83.7 m
Gold sells for $1120/oz. One ounce is equal to 28.35g. The molar mass of gold is 196.97g/mol. 1 moldovian franc contains 0.567g of gold. If 1 franc = $1.42, how many atoms of gold are presents in 0.010 moldovian francs?
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