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Calculate the % yield for the following reaction, based on the results regarding the synthesis of 2-iodooctane from 2-chlorooctane. Show all calculations. 2-chlorooctane(100mg) + NaI(excess) = 2-Iodooctane(75mg)
Suppose that a 25-mL sample of a solution is to be tested for I- ion by addition of 1 drop (0.20 mL) of 0.27 M Pb(NO3)2. What is the minimum number of grams of I- that must be present
if 4.3 ml of benzaldehyde are mixed with 1.6 ml of acetone, then calculate the theoretcial yield of dibenzalacetone in grams
What is the de Broglie wavelength in cm, of a 12.9 g hummingbird flying at 1.14 102 mph? (1 mile = 1.61 km.)
what is the maximum number of grams you could obtain if you recrystallize 28 g of cholesterol from 100 mL of methanol
Calculate the standard cell potential and equilibrium constant at 25 C for the cell reaction in a direct methanol fuel cell. 2CH3OH (l) + 3O2 (g) --> 2CO2 (g) + 4H2O (l)
If one cubic centimeter section of a reactor has a macroscopic fission cross section of 0.989 cm-1, and if the thermal neutron flux is 1x10^15 n/cm2 s, calculate the fission rate per cubic centimeter.
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures in your answers.
Using different methods, like equations of state SRK and PR what would be the nessceary steps to be able to determine a value from a given Pressure and Temperature using with:
The values for nitrous acid (HNO2) and hypochlorous (HClO) acid are 4.5 x 10^-4 and 3.0 x 10^-8 , respectively. Which one would be more suitable for use in a solution buffered at pH = 7.0
What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?
Calculate the energy change for the alternative reaction that yields chlorine sodide (Cl+Na-) . 2Na(s) +Cl2 (g) yeilds 2Cl+Na+(s) Assume that the lattice energy for Cl+Na- is the same as that for Na+Cl-
Find the value of Pressure - How much more pressure will the gas exert if the temperature is raised to 44.1°C?
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