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Problem- If you could record a single temperature reading in a freezing point determination experiment which temperature should you record
If possible just a brief explanation how you got the answer?
we were given freezing point and density and were asked to find kf and in second question enthalpy and entropy values
The boiling points of HCl and CO2 are nearly the same (-85 degrees C and -78 degrees C). Explain why CO2 can be removed from an aqueous solution by boiling briefly while essentially no HCl is lost even after boiling for one hour or more
The succession of steps which review the best method for the preparation of p-isopropylphenol from benzene is
The Lanthanum (III) oxalate decomposes to lanthanum III oxide, carbon monoxide also carbon dioxide when heated. If Kp = 1.00 x 10-6, as well as 0.100 mol of the solid are placed in a 10.0 L flask, define what amount of the solid remains un-reacted..
What is the wavelength of an electron whose linear velocity is 181.85 m/sec
one metric tonnet equals 1000kg. what is the amount of sulfur dioxide produced by a power plant that burns 7.5 million
The freezing point depression of water is a rather small 1.86 deg C kg/mol. Addition of 0.454 g of zinc chloride to 3.33 g of water lowers the melting point by 5.2 deg C. Calculate the expected melting point for this mixture and account for any di..
One way to do this is to mix oxygen with helium. Assume a mixture of 10.% oxygen and 90.% helium. Assuming Henry's law behavior, calculate the levels of oxygen and helium in the blood of a diver at 100 m. Assume T = 298 K.
it is found that 1.431 g of element x contains 7.509 times 1021 atoms. the atomic mass of x is? how many protons does
Gluconeeogenesis a) occurs in the Golgi apparatus of skeletal muscle tissue b) is typically charaterized by increased flux of carbon skeletons from amino acid degradation into mitochondrial pools of pyruvate and oxaloacetate
A 250.0 -mL buffer solution initially contains 2.5X10^-2 M of HCHO2 and 2.5X10^-2 M of NaCHO2. What mass of the correct reagent should you add. pH 4.10
Calculate the amount of heat liberated when 4.80 g CH4 reacts with an excess of oxygen.
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