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A sample of 0.50 moles of O2 gas initially at 250K and a pressure of 1.0 atm is compressed to final pressure of 12 atm. The compression can occur via two different paths: 1) adiabatic and reversible 2) adiabatic and irreversible in external pressure of 15 atm. For each case, calculate the values of q, w, delta U, delta H in unit of J
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25.
the pH of a saturated solution of a metal hydroxide MOH is 9.68. calculate the Ksp for the compound
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
A weak acid with a starting concentration is 12.5% dissociated. a) Calculate the [H3O+], pH, [OH-] and pOH of the solution. ([OH-] = 1.1 × 10-13 M, pOH = 12.96
O2(g) + 4 HCl(g) → 2 H2O(l) + 2 Cl2(g) When 64.5 g of HCl are allowed to react with 17.6 g of O2, what is the theoretical yield of Cl2(g) in this reaction.
how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5
Determine the new volume of a 1.3 L balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at the temperature of -11.5 degree celsius.?
You have pure beta-D-glucopyranose of 100 grams nearly, it was dissolved in an ethanol/water combination with the intention to recrystallize the sugar. You get pure beta-D-glucopyranose crystals 60 grams back why this 40% loss was to happen.
How many grams of silver and how many grams of chloride ions are in 1 L of solution?
What mass of magnesium chloride is needed to react with 145 g of silber nitrate accourding to the following reaction: MgCl2(aq)+2AgNO3(aq) -> Mg(NO3)2(aq) + 2AgCl
Determine the hydraulic conductivity and transmissivity of the aquifer and What would Q be if the hydraulic gradient
determine the final volume of the gas If the gas ocupied 68mL, initally and determine the molarity of the solution
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