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Benzene (A) melts at 6 0C and diphenylmethanol (B) melts at 65 0C. The solids are mutually immiscible. There is a eutectic at 1 0C, the eutectic solution being 20 mol % in B, and an unstable compound, AB2, which decomposes at 30 0C. Depict and label the simplest melting point diagram consistent with the preceding information. Outline with reasonable attention to detail the cooling curves for solutions containing 10% B and 67% B.
what mass of sodium fluoride must be added to 250. ml of a0.100 m hf solution to give a buffer solution having a ph
A Mixture of 80mL of Hydrogen Gas and 60 mL of Oxygen gas is ignited by a spark to form water (please show work) a) does any gas remain unreacted.
A lab rat weighs 265g and absorbs 1.68x10^10 beta decay particles, each with ernegy of 2.20x10^-13 J. If relative biological effectiness is 0.75, what is the equivalent dose?
Which set of atoms is correctly arranged in order of increasing electronegativity (lowest electronegative atom listed first)
Ephedrine was once used in diet pills that could be purchased without a prescription. Ephedrine is composed of 72.7% C, 9.15% H, 8.49% N, and 9.68% O. What is the empirical formula for ephedrine
To find the mass of water use the density of water = 1.0 g/mL. I have looked at multipule different solutions that have already been worked but have not been able to get the correct answer no matter how many different ways i got about getting it.
How much heat is required to warm 221 g of ice from -46.1°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
Determine the new equilibrium concentration of hydrogen, if the hydrogen concentration is raised by 0.299 M?
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 3.776E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
Calculate the density of Al from this information. What is the planar density of atoms in the (110) plane (and sketch how they are arranged)
calculate theformation constant forAg(S2O3)23- . Show yourcalculations with units and the correct number of significantfigures.
The atmospheric oxidation of nitrogen monoxide, 2 NO(g) + O2(g) reversible reaction arrow 2 NO2(g), was studied at some temperature with initial pressures of 1.000 atm of NO and 1.000 atm of O2. At equilibrium, PO2 = 0.563 atm. Calculate Kp.
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