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Iron(II) chloride (melting point 677°C) and potassium chloride (melting point 776°C) form the compounds KFeCl3 and K2FeCl4 at elevated temperatures. KFeCl3 melts congruently at 380°C and K2FeCl4 melts incongruently at 399°C. Eutectics are formed with compositions x = 0.38 (melting point 351°C) and x = 0.54 (melting point 393°C), where x is the mole fraction of FeCl2. The KCl solubility curve intersects the K2FeCl4 curve at x = 0.34. Sketch the phase diagram. State the phases that are in equilibrium when a mixture of composition x = 0.36 is cooled from 400°Cto 300°C.
Barium sulfate is a very insoluble compound. Please give reasons for compounds like barium sulfate or barium phosphate to be insoluble
For a reaction of the form, A + B + C Products, the following observations are made: doubling the concentration of A increases the rate by a factor of 4, doubling the concentration of B has no effect on the rate, and doubling the concentration of ..
Complete and balance the following skeleton reaction and identify the oxidizing and reducing agents. include the states of all reactants and products in your balanced equation. don't have to include the states
How much heat is required to warm 215 g of ice from -44.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
The pH of human muscle fluids is 6.8. Calculate the value of H3O+ in muscle fluid at 25 degrees Celcius. The answer should be in scientific notation.
What is the volume of nitrogen produced if the temperature of the car is 23.5 Celsius and atmospheric pressure is 748.2 mm Hg?
One of the differences between a voltaic cell and an electrolytic cell is that in an electrolytic cell,
what are some differences between the titration curves of strong acid and strong base versus weak acid and strong base?
what can you say about the relative buffering abilities of solutions( ranging pH 5-7) when they are challenged by acid
What weight of A would be removed from a solution of 21 g of A in 50 mL of water by a single extraction
Would it be safer to store a nickell (II) chlorides solution in a lead container or a chromium container?
What is the molar concentration of free (uncomplexed) Ag+ in solution when 4.25g AgNO3 is dissolved in 100.0 mL 1.00 M NH3 aqueous
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