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What will be the final temperature of the water in an insulated container as the result of passing 5.00g of steam [H2O(g)] at 100.0 degreesC into 100.0 g of water at 25.0degreesC? (ΔHovap=40.79kJ/mol H2O)
Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the thermal efficiency of the cycle and (b) the mass flow rate of the steam.
Think back to what you learned in this course about solutions and intermolecular forces. Why don't these to "mix" together (in other words, make a homogenous solution) when combined. Why do they separate into layers
A voltaic cell consist of gold in a gold(III)nitrate solution and copper in a copper(II)nitrate electrode. Calculate cell potential if the [Au3+] is 0.00750M and [Cu2+]=1.50M at 25 degrees celsius.
2k2h2 o rarr2koh h2a 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg c. what is the final temperature
Equilibrium constant for the cell reaction is (A)100 .32/0.0591 (B)100.32/0.0295 (C) 100.26/0.0295 (D) e0.32/0.295
What is the M concentration in octanol? (b) pH= 8.00 what is the M concentration in water? what is the M concentration in octanol?
Explain and calculate the mass of solution in a pipette if the following data has been recorded during a lab experiment
Calculate the ratio of rates of effusion of O2 versus Cl2. Record your answers to three significant figures. The concentration of CO2 in the atmosphere is 375ppm (by volume). What is the mole fraction of CO2 in the atmosphere?
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
How many mL of 1 M NaOH solution do you add to a 250mL flask and bring it to volume with deionized water to make o.12 M NaOH solution
A solution is prepared by dissolving 270 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
Calculate the sedimentation coefficient, the molar mass and the frictional coefficient of the RSA
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