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Heat Neutralization Experiment 1.0000M of NaOH & HCl50mL of NaOH50mL of HCl25 Celsius =Tm30.77 Celsius =Tf Calculate the heat gained by the solution and use this to calculate the enthalpy change of the neutralization reaction in joules per mole of water formed.
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 10^51. What is Kc for the following equilibrium?COCl2(g) + Cl2(g) CCl4(g) + ½O2(g)
While a 5.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 2.403 kJ•K-1, the temperature decreases by 0.480 K. Compute the molar heat of solution of KCl.
Calculate the enthalpy change for the reaction, assuming that the solvation enthalpies of the sugars are negligible. Draw an energy profile for the overall process.
Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq),
Who invented the concepts of acidity and alkality. What purpose did it serve at the time.
A 29.0-g sample of water at 270. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
the same bulb is placed in a heated oven, and the pressure is measured as 648 mm Hg. What is the temperature of the oven in °C?
Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction for the reaction of chlorine with ozone.
The scale of scores is set separately for each age group and is approximately normal with mean 100 and standard deviation 15.
Suppose a researcher were doing work on mercury compounds and its use couldn't be avoided. Find out a) acute health effects involved with its use and b) the recommended waste disposal method for this mercury compound.
Determine the empirical formula of a hydrocarbon which has 92.24% C and 7.76% H. If 0.500 g of this hydrocarbon occupies 0.086 L at STP, determine the molecular weight of the compound.
the density of liquid water at 0 degrees c is 0.9987 gcm cubed the density of ice at this same temperature is 0.917 gcm
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