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Why was the titration performed by the addition of permanganate solution to oxalate solution and not the other way around? Why was the experiment performed at an elevated temperature?
RNA is readily hydrolyzed by alkali, whereas DNA is not. Why. Think of pH required for nucleophile generation
Perform a degree of freedom analysis and show that all of the unknowns can be solved.
whats the anode charge. please include the answer and why and a step process please
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [PCl5]eq = 0.56 M, [PCl3]eq = 0.23 M, [Cl2]eq = 4.4 M. PCl5(g) PCl3(g) + Cl2(g)
How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0 C to 88.5 C?
8.0 moles of CO2 and 9.0 moles of H2O are places in a 5.0L vessel. When equilibrium is established, [C2H4]=0.45 M. Calculate Keq
The specific heat of the liquid is 4.7 J/g.K and the specific heat of the vapor is 2.2 J/g.K. its enthalpy of vaporization is 25.1 kJ/mol. If you heat 4.6 kg of liquid ammonia from -62.0 degrees C to its boiling point of -33.6 degrees C, and then ..
n2h4l o2g -gt n2g 2 h2ol h -622.2 kjcalculate the heat of reaction for the same reaction where water is a gaseous
What is the mole fraction of Kr if the partial pressure of Xe and Ar are 1.60 atm and 2.8 atm, respectively?
What five items must you consider when selecting the size and range of the scale units for the x- and y-axis
A rubber balloon was inflated with helium gas and floated in the air. The next day, the balloon was somewhat smaller and no longer floated.
calculate the concentration of sodium benzoate must be present in a 0.20 M solution of benzoic acid
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