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Draw the molecule by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electrons.
Calculate the standard emf for each of the following reactions:a)H2(g) + F2(g)---> 2H+(aq) + 2F-(aq)
Determine how much Ammonia would be formed if 187 grams of calcium carbonate CaCO 3 are formed?
If 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm. and 500 C, how many moles of ammonia gas would be produced, assuming a 15% yield?
Calculate the molality of a sucrose (C12H22O11) solution containing 14.3 g of sucrose in 676 g of water.
Determine the enthalpy for the partial combustion of methane to carbon monoxide.
If 100. mL of 1.60 M Na2SO4 is added to 200. mL of 2.40 M NaCl, what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.
Calculate the amount of heat liberated (in kJ) from 437 g of mercury when it cools from 61.0°C to 12.0°C.
Calculate the Ksp for zinc phosphate if 1.18 10-4 g of zinc phosphate dissolved to make 5.0 L of a saturated solution.
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
Show how the following compounds could be synthesized from benzene a. benzoic acid b. aniline c. m-chloroenzenesulfonic acid d. m-chloroethylbenzene e. m-brombenzonitrile f. benzyl methyl ether g
Using Henry's law, calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20 ^ C and an atmospheric pressure of 665 torr. The partial pressure of O2 is .21 atm.
The speed needed to escape the pull of Earth's gravity is 11.3 km/s. What is this speed in mi/h.
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