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The standard enthalpy ofvaporization for C2Br2F4 is 104.64 J/g at its normal boiling pointof 47.26°C. Calculate the standard entropy of vaporization (ΔS°vap)of C2Br2F4(l).
If 1L of .15M NaOH is unprotected from mmol of CO2, what will be its new molarity when it is standardized agains a standard solution of HCl using
Considering the given equation KOH + CH 3 COOH ---> KCH 3 COO + H 2 O determine the volume of 0.157M solution Potassium hydroxide is essential to react with 0.385g of Acetic acid? express your answer in mL
If the purity of compounhe Z is 87% and the reed value for its molar extinction coefficient is 9200M-1 cm-1 at 605nm. What should measure as the E of this impure compund Z
What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
Calculate the volume of a .1 M solution of HCl required to neutralize 100 mL of a saturated calcium carbonate solution
The Milikan experiment is important because it determined the of an . Using Thomson's and Milikan's the of an was determined. Rutherford's experiment is important because it clearly demonstrated that the is mostly
If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?
When a molecule forms a hydrogen-bonded dimer as shown in your lab manual on pg 162 or is an electrolyte, you need to account for Van't Hoff factors. For the dimer shown in manual
helium has a density of 1.79 x 10-4 gml at standard temperature and pressure. a balloon has a volume of 6.3 liters.
Calculate the pH of the following aqueus solution: 0.61 M NH4Cl (pKb for NH3=4.74)
Calculate the equilibrium constant kc for a reaction occuring at a temp 0f -19 degree C and when delta G of 1.6 KJ/mol(use R =8.314 J/mol and 273 for kelvin conversion)
Write the structures of all the alkenes that can be formed by dehydrohalogenation of each of the following alkyl halides.
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