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A 2 phase liquid-vapor mixture of water, initially with a quality of 25%, is contained in a piston-cylinder. The piston mass is 40 kg, and the diameter is 10 cm, and atmospheric pressure is 1 bar. Initially the piston is displaced 1 cm above the bottom of the cylinder. As the water is heated, the piston expands 3 cm upwards at constant pressure until it hits stops. Heat transfer continues until the pressure is 3 bars. Find the total heat transfer in J.
Using the "like dissolves like" rule and the chemical structure of your unknown liquid, explain its solubility/insolubility in water. Describe the type of bonding that your unknown has (covalent, polar covalent)
Addition of the permanganate solution to the unknown solution would colorimetrically indicate whether metal(III) is reduced to metal(II). If the unknown solution contained the metal(III) ion, the purple color of the solution would get darker. If t..
An aqueous solution of iron (III) chloride reacts with magnesium solid to give solid iron an aqueous magnesium chloride. Write the balanced equation for this reaction.
I need help describing an experiment where one could measure the value of the extinction coefficient of a solution with a concentration (c mol/L) of chlorophyll in water for a given wavelength.
The half-life for the reaction at 550C is 81.3 seconds. How long does it take for 89% of phosphine sample to decompose?
A system equilibrium at 25 degrees Celsius in a 1.0L container was found to contain 0.0568 moles of BrCl, 0.0216 moles of Br2, and 0.0216 moles of Cl2. If 0.020 moles of BrCl is added to this system, determine the new equilibrium concentrations.
Enantiomers and Order of Elution, The enantiomers (R and S forms) of the following chiral alcohols need to be separated by a suitable CHIRAL SEPARATION method.
In a titration experiment, 50.0 mL of 0.375 M HI solution is required to neutralize 35.0 mL of Ca(OH)2 solution. What is the concentration of the Ca(OH)2 solution?
Aqueous solutions of phosphoric acid and sodium nitrite are combined, and the following equilibrium is established. H3PO4 (aq) + NO2- (aq) = H2PO4-(aq) + HNO2 (aq). The equilibrium constant Kc for this reaction is greater than one. Based on this i..
Show the electron configuration of phosphorus, P . Be sure to arrange the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water. How much water should be displaced by a pure gold object having a mass of..
in lab you titrate a standard solution of sodium hydroxide with an unknown solution of acetic acid. you make the
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