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How tall (in cm) is a cylinder of lead if its density is 11.34 g/cm^3, it has a mass of 1.898 kilograms and the diameter of the cylinder is 4.60 inches?
A reaction at 25C is known to standard changes in free energy, enthalpy and entropy of -38.4 kJ/mol.96.3kJ/mol
Describe six physical and six chemical changes. Explain why each is a physical or chemical change.
An aqueous solution is six percent by mass methanol,, and has a density = 0.988 g/mL. Determine the molarity of ethanol in the solution.
Using the "unit conversion method", derive an equation to calculate the heat produced from the HCl-NaOH reaction, and write your equation on Sample Calculations A
Aluminum is a lightweight metal (density=2.70 g/cm^3) used in aircraft construction, beverage cans, and foils. a) What is its density in kg/m^3? b) How many pounds would an aluminum clock measuring 1.0 m x 2.0 m x 1.5 m weigh
What is the driving force for the rearrangement of intermediate carbocations during the dehydration of alcohols
What is Aldehyde?How Aldehyde name Originated?
A 5.000g sample of pesticide was decomposed with metallic sodium in alcohol, and the liberated chloride ion was precipitated as AgCl. Express the results of this analysis in terms of percent of DDT (C14H9Cl5) based on the recovery of 0.1606g of Ag..
in the final step of the purification process in the miniscale procedure for preparing 1-bromobutane from sodium
What is the osmotic pressure exerted by sea water on a semi-permeable membrane that separates the sea water from pure water
calculate the standard entropy of propane gas at 231.04k given the following data hfusion842.2 calmol at mp 84.45k
why is preferable to use tflon or ungreased stopcock rather than greased stopcock in column chromatography experiment?
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