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How do you find what the limiting reactant in a reaction that produces sodium chloride from 8 g of sodium and 8 g of diatomic chlorine?
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
Copper crystallizes as a simple cubic lattice as well as has a density of 8.95 g/cm3. Compute the crystallographic atomic radius of a copper atom.
For the reaction Na2CO3(aq)+2HCl(aq)= 2NaCl(aq)+CO2(g)+H2O(l), suppose you have 100 mL of 3.80M Na2CO3. How many milliliters of 0.920 M HCl would you have to add to the sodium to consume the Na2CO3 completely
We will abbreviate malonic acid, CH2(CO2H) 2 as H2M. Find the pH and concentrations of H2M, HM-, and M2- for the following. (Ka values for malonic acid are Ka1 = 1.42 10-3 and Ka2 = 2.01 10-6.)
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) Kc=53.3 At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present..
Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and .0280 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate
None of the desired ether was obtained. What product was formed and why did this route to the ether fail? Suggest a different substitution reaction that should yield the desired product.
In the procedure for bromination of (E)-stilbene which involves in situ generation of bromine, what is the solid that appears when the concentrated hydrogen bromide is added
Problem- A 1.500 g sample of baking soda, NaHCO3, decomposes with heat to give 0.955 g of sodium carbonate. 1) What is the percent yield of sodium carbonate
Compute the concentration in molecules cm -3 and the mixing ratio in ppm of water vapor at ground level at T = 298 K at RH values of 50%, 60%, 70%, 80%, 90%, 95%, and 99%.
If a pure R isomer has a specific rotation of -152.0°, and a sample contains 71.0% of the R isomer and 29.0% of its enantiomer, what is the observed specific rotation of the mixture
The electron is at a distance of about 6.3 x 10-11 m from the nucleus. Assuming the hydrogen atom is a sphere with a radius of 6.3 x 10-11 m, find (a) the volume of the atom, (b) the volume of the nucleus, and (c) the percentage of the volume of t..
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