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Suppose 4.00 mol of an ideal gas undergoes a reversible isothermal expansion from volume V1 to volume V2 = 6V1 at temperature T = 430 K. Find
(a) the work done by the gas and
(b) the entropy change of the gas.
(c) If the expansion is reversible and adiabatic instead of isothermal, what is the entropy change of the gas?
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
Determine the empirical formula for each substance.
Given an equation and an enthalpy change, how much heat is involved when a certain amount of an element
Estimate the average area of a cell in square micrometers, and the diameter of a single cell in micrometers, using the data below. Assume the cells are roughly spherical. What is the average cell surface area
Draw out the mechanism for the synthesis of aspirin but do not use the acid catalyst. is a green chemistry synthesis using a metal catalyst and how the mechanism would go. The reactants are salicylic acid and acetic anhydride.
Consider the solution reaction AlCl3 + 3AgNO3 -> 3AgCl + Al(NO3)3. What volume of 0.100 M AlCl3 will exactly react with 55.0 mL of 0.162 M AgNO3?
calculate the value for E for the cell at 25oC (b) A current is drawn from the cell until 1.20 g of silver have been deposited at the silver electrode. Calculate the value of E for the cell at that stage of operation.
What is the volume of added base at the equivalence point for HCl. What is the volume of added base at the equivalence point for HF
Using the arhennius equation to plot ln(equilibrium constant) vs. 1/Temperature, how can we determine the enthalpy of reaction
Calculate the potential E for the following cell: Fe(s)| Fe(NO3)2 (0.050M || Cu(NO3)2 (0.020 M) | Cu(s) Cell reaction: Cu+2 + Fes ? Cus + Fe+2 Fe+2 + 2e- ? Fe(S) Eo = -0.44 V Cu+2 + 2e- ? Cu(s) Eo = 0.339V
Calculate the Kc moles of pure SO3 (g) are introduced into an 8.00dm3 container at 1105k. At equilibrium,, 0.58 mol of O2(g) has been formed.for the reaction: 2SO3(g) 2SO2(g) + O2(g)
A 25.0-mL sample of 0.35 M HCOOH is titrated with 0.20 M KOH. What is the pH of the solution after 25.0 mL of KOH has been added to the acid? Ka = 1.77 × 10-4
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