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The polystyrene coffee cup is a very good insulator. However, it still does absorbs a small amount of heat if the system is above room temperature. How does this affect the specific heat of the metal?
Which of the following factors affect the resolution (separation) of two compounds: (A) nature of the stationary phase; (B) eluent composition; (C) amount of sorbent used; (D) color of compounds being separated?
1-Napthaleneacetic acid is not soluble in water at room temperature but goes into solution readily when heated.
What is the expected molar solubility of silver phosphate, Ag3PO4 in water? B) What is the expected molar solubility, in ppt (parts per thousand), of lead(II) iodide, PbI2 in water
some physical properties of water are shown below.nbspfreezing point 0.00degcnbspboiling point 100.00degcnbspkf
the pressure of 6.0l of an ideal gas in a flexible container isdecreased to one-third of its original pressure and its
Suppose that a student collects the following spectrophotometric data to determine the relative concentrations of HMR and MR in solution:
Explain how many milliliters of a stock HCL solution labeled specific gravity 1.19 as well as assay 38% will be needed to prepare 2L of a 1.5N HCL solution
Imagine two solutions with the same concentration and same boiling point, but one has benzene as the solvent and the other one has carbon tetrachloride as a solvent.
Question- Proceeding from left to right across the first transition series (Sc to Zn), which of the following occurs
Consider a Carnot Cycle that operates between heat-reservoirs temperatures of 200 C and 50 C. If 200 kJ of heat is added for the first stage of the cycle, determine the (1)thermal efficiency, (2) the work done per cycle,
The dienophile used by Woodward and coworkers as part of total synthesis of the choleasterol might have ract at either of the alkene double bonds. Jusitfy the formation of the observed Diels-Alder adduct.
A vapor composed of 0.15 mole fraction ethanol and 0.85 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid.
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