Estimating molarity of the analyte
If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?
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The temperature rose by 0.910 K. In a separate experiment in the same calorimeter, the combustion of 0.825 g of benzoic acid, for which the internal energy of combustion is -3251 kJ mol-1, gave a temperature rise of 1.940 K. Calculate the internal
What proportion of the molecules have enough speed to escape when the temperature is (a) 240 K, (b) 1500 K? Calculations of this kind are very important in considering the composition of planetary atmospheres.
When 25.0mL of .500M H2SO4 is added to 25.0mL of 1.00M KOH in a coffee cup calorimeter at 23.50 degree Celcius, the temperature rises to 30.17 degree celcius. Calculate ethalpy of this reaction.
A municipal bond carries a coupon rate of 7% and is trading at par. A corporate pays a rate of 10%at what marginal tax rate would an investor be in deferent between these two bonds?
A compound is 40.0 , 6.70 , and 53.3 by mass. Assume that we have a 100.- sample of this compound.The molecular formula mass of this compound is 180 . What are the subscripts in the actual molecular formula?
What is the approximate frequency of a photon having an energy 4.85 X 10-19 J? (h = 6.63 x 10-34 Jxs)
Write a 200 word essay in any style and identify and discuss three key features associated with the combustion of polymeric materials or compounds that are relevant to the safety.
If you buy a 6.5% coupon (assume semi-annual payments), 25-year bond today when current market rates are 5.4%, and you own this bond for 5 years and sell it when current market rates are 7%, what will be the gain or loss in the price of this bond
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