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Problem- If 50.0 mL of ethanol (density = 0.789g.mL) initially at 7.0C is mixed with 50.0 mL of water (density=1.00g/mL) initially at 28.4 in an insulated beaker, and assiming that no heat is lost, what is the final temperature of the mixture?
Answer showing how to make each solution will get rated
Draw the skeletal structure of the major organic product resulting from the following synthesis steps. Benzyl bromide is reacted with solid Mg in diethyl ether.
Problem- In the experiment of establishing the relative reactivity of Halogens and Halide Ions a student performed the following two tests on an unknown solution containing one halide ion.
Finding the solubility product - Ksp - of a solution of PbI2, A 1.00 L solution saturated at 25 decrees Celsius with lead (II) iodide contains 0.54 g of PbI2
the total pressure of the system is found to be 4.50 atm At 700 degrees celsius. compute the equilibrium partial pressures of carbon dioxide and carbon monoxide if the equilbrium constant Kp = 1.52,
An o.1 molar solution of butyric acid (HBu) has a pH that varies with the temperature at 10 C- pH=2.9, at 50 C: pH=2.95 a. Compute the equilibrium constant Ka at each temp.
The element of area in two-dimensional Cartesian coordinates is dxdy ; a and b are constants. b. Normalize the wave function e^(-2r /b )
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
Draw the lawis structure and structural formulas for CCl3F. Sketch the space-filing model and the charge-density model for this molecule.
A solution of a weak acid was tested with the indicators used in this experiment. The colors observed were as follows
1. the problem below concern cacl2.a. 0.135 gram of cacl2 is dissolved to 250 ml. what is the prepared molarity of the
With in each of the following species all bonds are equivalent. for which of the species can you draw two resonance structures
How many mL of 0.100 M NaOH is required to react with 50.0 mL of 0.100 M H2SO4 according to the reaction 2NaOH + H2SO4 --> 2H2O + Na2SO4
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