What is the total heat evolved
What is the total heat evolved when a saturated solution of boricacid in 1000g of water is cooled from 100°C to20°Celsius? (Take the heat capacity of the solution to be thesame as that of water and neglect that of the solid)
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Derive the expression in σ2(b0)=σ2(1/n+x-bar2/Σ(Xi-X-bar)2) for the variance of b0, making use of σ(Y-bar,b1)=0. Also explain how variance σ2(b0)=σ2(1/n+x-bar2/Σ(Xi-X-bar)2) is a special case of variance &sig
What two alcohols would you use if your goal was to synthesize hexyl pentyl ether via acid-catalyzed dehydration of two alcohols?
Packages of food whose average weight is 16 ounces with a standard deviation of .6 ounces are shipped in boxes of 24 packages. If the package weights are approximately normally distributed, what is the probability that a box of 24 packages will we
Two batteries of emf 6V and internal resistance 1 ohm are connected in parallel. The load that will absorb the greatest power from the combination has resistance of:
A sample of O2 (g) is collectede over water at 24degrees C. The volume of gas is 1.16L. In asubsequent experiment, it is deterrmined that the mass ofO2 present is 1.46 grams. What must havebeen the barometric pressure at the time wh
Assuming that air behaves like an ideal gas, calculate (a) The work produced by the turbine per unit mass of air flowing through it in kJ/kg; (b) The air pressure at the exit of the turbine in bar.
When you place the sample to be examined at a distance of 1.30 cm from the objective, at what length l will you need to adjust the tube of the microscope in order to view the sample in focus with a completely relaxed eye?
Use the pH values obtained in steps b-e above to make a plot of the titration curve. Label the calculated pH values on the plot. Label the buffer region and the equivalence point. Was the choice of Methyl red indicator a good choice for this titra
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