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A quantity of 6.0 moles of an ideal gas is reversibly heated at constant volume from 17 degrees C to 35 degrees C. Calculate the entropy change. What would be the value of ?S if the heating were carried out irreversibly?
How many grams of KCl would be required to react with 420 mL of 0.42 M AgNO3 solution?
Would you expect to recover 100% of the desired compound from an impure sample using solution recrystallization?
How many grams of a stock solution that is 87.5 percent H2SO4 by mass would be needed to make 275 grams of a 55.0 percent by mass solution.
Manganese forms the following oxide minerals: manganite (MnOOH), manganosite (MnO), pryolusite (MnO2), and hausmannite (Mn3O4).
How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?
Copper is elctroplated from CuSO4 solution. A constant current of 4.00 amp is applied by an external power supply. How long will it take to deposit 1.00x10^2 g of Cu? The atomic mass of copper is 63.546.
how many grams of potassium sulfate are required to make 385 ml of 2.5M solution
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
Suppose in universe Xacto matter is composed of protons, neutrons, and special matter X. For elements in a, design and draw a new periodic table that makes sense for this parallel universe.
If a few drops of water on the outside of the hot water syringe used to dispense the 5.00 mL sample into the calorimeter well for the Kcal determination fell into the well
How much ammonia would be spent to remove the NOx generated, expressed in kg of of NH3 per 100 kg of fuel?
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.052 moles of sulfuric acid is mixed with water to make 179 mililiter of solution, what is the molarity of H+?
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