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The question is:A glass jar is filled with saturated water at 500 kPa, quality 25%, and a tight lid is put on. Now it is cooled to -10°C . What is the mass fraction of solid at this temperature?
molecular formula of a compound.a compound of p and f was analyzed as follows heating 0.2324 g of the compound in a
what is the aluminum ion, Al3+, concentration if the cell potential is 0.447 V and the manganese (II) ion concentration is 0.10 M?
consider a .7 L of a buffer composed of 0.4 M HClO and 0.5 NaClO? How many moles of strong base could this buffer withstand?
How many miles could you drive for $3.90 if the gas mileage of your car is 14.0 km/liter of gasoline and the price of gasoline is $0.96/gal
What is the average molar mass (in g/mol)? What is the relative standard deviation(RSD) in parts per thousand (ppt)? Report your answer to the correct number of significant figures.
A NaOH soln of unknown concentration was standardized against KHP. It took 45.78 mL of NaOH soln to completely titrate 1.256 g of KHP. Cal the molarity of NaOH.
For the lowest-energy state of atoms with the following configurations, give a) the spin multiplicity, b) the orbital angular momentum, c) the value of the total angular momentum, and d) the term symbols
Phenol (C6H5OH, also called carbolic acid) has a pKa of 9.89. It is used to preserve body tissues and is quite toxic. Calculate the percent ionized in 0.0503 M phenol--a dilute solution.
For each of the following pairs of organic compounds, identify the structure that would be expected to have the highest solubility in water. And briefly explain why.
Explain why the 2.7 μm superficially porous particle enables separations similar to those achieved by 1.8 μm totally porous particles, but the superficially porous particle requires lower pressure.
A block of dry ice of dimensions 25 cm x 25 cm x 25 cm is left to sublime in a closed chamber of dimensions 4.00 m x 5.00 m x 3.00 m. The partial pressure of carbon dioxide in this chamber at 25 C will be
How many moles of CO2 form when all of the butane is the lighter burns. How many molecules of gas form when the butane in the lighter burns completely
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