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Calculate the density of hydrogen sulfide gas, H2S, at 58°C and 896 mm Hg. Obtain the density in grams per liter.
Cadmium telluride, , takes the zinc blende structure with a unit cell edge length of . There are four cadmium atoms and four tellurium atoms per unit cell.
After you determine the concentration of the unknown stock solution, you will need to use the density to calculate the % mass of thymol
Propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows
The standard cell potential of the zinc-air battery is 1.65V. If at 25 dgrees celsius the partial pressure of oxygen in the air diffusing through its cathode is 0.21 atm.
How much aspirin can be made from 100.0 g of salicylic acid and 100 g of acetic anhydride? If 122 g of aspirin were obtained by the reaction, what is the percent yield?
Assume that a particular reaction evolves 235kJ of heat and that 24 kJ of PV work is gained by the system What is the delta H inside and the surroundings and delta E inside and out?
Write the structural formula of a compound with an unbranched chain of five carbon atoms that is an alkanal, Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.
How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)
Consider the reaction below. If you start with 7.00 moles of C3H8 (propane) and 7.00 moles of O2, how many moles of carbon dioxide can be produced. C3H8(g) + 5O2(g) 3CO2(g) + 4H2O(g)
a. A 0.1044 gram sample of an unknown monoprotic acid required 22.10 mL of 0.0500 M NaOH to reach the end point. What is the molar mass of the unknown?
The equilibrium constant for a reaction at 800K is 14.2. If the enthalpy of the reaction is 30 kj/mole, what would be the equilibruim constant
element is the central atom of sodium chloride, megnesium sulfate, calcium carbonate, ammonia, and hydrogen cyanide?
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