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After you ran reaction with 2g of ferrocene (MW= 186 g/mol), 2mL of acetic anhydride (density= 1.082 g/mL, MW= 102 g/mol) as well as 0.2mL of 85% HCl, you obtained 2.1 g of acetylated ferrocene MW= 228 g/mol. Explain what is the theoretical yield of the reaction?
a solution contains 0.115 mol h2o and an unknown number of moles of sodium chloride. the vapor pressure of the solution
A fixed quantity of gas at 21^circ C exhibits a pressure of 725 torr and occupies a volume of 4.32 L.
PCl5 + 4H2O > 5HCl +H3PO4. How many total moles of acid are formed when starting with 4.5 g of PCl5 and excess H2O.
You have a solution that is 18.5% (v/v) methyl alcohol. If the bottle contains 1.20 L of solution, what is the volume (V) in milliliters of methyl alcohol
if you dissolve the weighed mass of zinc in water which had not been deionized, how would the volume of EDTA required to reach the indicator end-point
Naturally occurring thallium has two isotopes, thallium-203 (202.9723442 amu) and thallium-205 (204.9744275 amu). The atomic mass of thallium is 204.38 amu. What is the percent of thallium-205
The decomposition of nitric oxide NO to N2 and O2 is second order with a rate constant of 0.0796 M^-1 S^-1 at 737 C and 0.0815 M^-1 S^-1 at 947 C. Calculate the activation energy.
consider a lithium atom two of its electrons are in the 1sshell and the third is in the 2s shell1- consider the lithium
a pitcher throws a fast ball at 143 kmh toward home plate which is 18.2 m away. neglecting air resistance not a good
determine the minimum length of a surface crack that will lead to fracture. Assume a value of 0.96 for Y.
If the solution is 40.0% K2CO3 by mass, what is the predicted freezing point of this solution in °C, assuming full ionization.
Determine ΔSsys separately for the volume and temperature changes and show that ΔSsys=0 for a reversible adiabatic process. Also, if the expansion had instead occurred irreversibly against a constant external pressure of 1 atm
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