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Your Car's Radiator utilizes a mixture of antifreeze (C2H6O2) in water to both lower the freezing point as well as raise the boiling point of the solution. Define how cold could it get before a 25 mass % solution of antifreeze in water would freeze. [Kf(H20)=1.86 C/m]
Draw and label the galvanic cell, then write and identify he two half-life reactions and write the overall cell reaction. Calculate E. Write the cell diagram for the galvanic cell and calculate the expected cell potential
a buffer solution is prepred by adding 15.00g of sodium acetate (NaC2H3O2) and 12.50g of acetic acid to enough water to make 500mL (three significant figures) of solution.
If the formation of a Grignard reagent does not begin spontaneously when Mg metal and a solution of an alkyl halide in ether are mixed, one sometimes adds a small amount of iodine to the flask. What substance is formed from the reaction of iodine ..
How many grams of CaCO3 are produced when you react 55.2 mL of 0.150 M Ca(NO3)2 with 0.655 g of Na2CO3? How many grams of Na2CO3 remain unreacted? How many grams of Ca(NO3)2 remain unreacted?
Determine what percent by weight of sodium carbonate does it contain If the specific gravity of the sodium carbonate solution = 1.25,?
A solution is prepared by dissolving 138.50 g of sucrose, a nonelectrolyte, in 250.0 g of dionized water. The freezing point of the solution was determined experimentally to be -3.0 C.
Hex-1-ene, 2-methylpent-2-ene, 2,3-dimethylbut-2-ene, (Z)-hex-2-ene, (E)-hex-2-ene Which one has the highest boiling point and why
when 2.25mg of anthracene c14h10 s was burned in a bomb calorimeter the temperature rose by k. calculate the
A solution of ammonia and water contains 1.30×10^25 water molecules and 7.70×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
What is the chemical formula for the base iron(III) hydroxide. The formula for the oxalate ion is C2O4^2-
the equivalence point occured at 4.67 mL of HCl. Calculate the pH at 0.00 mL of added HCl and at 2.00 mL of added HCL
What would be the effect of increasing the temperature of a gas chromatography column during the analysis of a gasous mixture if isothermal chromatography is done
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