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Question- How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -20ºC? Calculate the boiling point of this water-ethylene glycol mixture
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If a 189-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft 1.0 ft, what is the average thickness of the sheet in meters?
If the solution has the same density as well as specific heat as water, explain what is delta H for this reaction per mole of H2O produced. Presume that the total volume is the sum of the individual volumes
Question- In 2011, researchers showed that hypochlorous acid (HClO) generated by white blood cells kills bacteria. Calculate (Ka)=2.9X10^-8 the percent dissociation of :( A). 0.40 M HClO, (B) 0.035 M HClO
With regards to a bromination of cis-stilbene which produces two enantiomers (S, S and R, R), what can be done experimentally to confirm that the predicted products were obtained
predict the products of a reaction of the following acids and bases. will the equilibrium favor the reactants of
How many liters of gaseous hydrogen bromide at 97 degrees c and 0.953 atm will a chemist need if she wishes to prepare 3.50 L of 1.20 M hydrobromic acid
the amount of manganese in steel is determined by changing it to permanganate ion. the steel is first dissolved in
Tuning proton affinity. The pKa of an acid depends part,y on its environment. Predict the effect of each of the following environmental changes on the pKa of a glutamic acid side change.
You have proven sulfanilamide is capable of forming a stable and selective crystal lattice. Draw additional molecules of sulfanilamide and hypothesize the intermolecular interactions that are most important for providing a stable and selective cry..
Explain under standard conditions which of the two are the better electron donors NADH or the free form of FADH2
The first ionization energy of a boron atom is 1.33 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing boron atoms?
The osmotic pressure of solutions of polystyrene in toluene were measured at 25?C and the pressure was expressed in terms of the height of the solvent of density 1.004 g cm-3.
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