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Calculate the energy released in the following fusion reaction. The masses of the isotopes are: 14N (14.00307 amu), 32S (31.97207 amu), 12C (12.00000 amu), and 6Li (6.01512 amu).
14N + 12C + 6Li ---> 32S
A current of 4.25 A is passed through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 9.40 g of lead?
What are the major products formed upon treatment of (E) 3-methyl-2-hexene with HBr in the absence of peroxides?
Explain how many grams of Fe(NO3)3 • 9 H2O are needed to prepare 350.0mL of a 0.245M solution of Fe(NO3)3 • 9 H2O?
What chemical formula represents magnesium phosphate
If A certain first-order reaction is 35.5 % complete in 4.90 min at 25 degree Celsius. Define what is the rate constant
At 200 deg C, K = 0.009 for the reaction: NH4SH (s) -> NH3 (g) + H2S (g). A sample of solid NH4SH is placed into a container and allowed to equilibrate. What is the equilibrium partial pressure of ammonia, assuming some solid NH4SH remains
What is the density (in g/cm^3) if the ionic radii of Na+, F- ions are 102.9 pm and 136.0 pm, respectively? Hint: notice that the cation and anion touch each other and together make up the side of the cube.
A mixture containing 3.9 moles of NO and .94 moles of CO_2 was allowed to react in a flask at a certain temperature according to the equation
How many mLs of H2 gas, collected by water displacement, are produced by the reaction of 0.500 g of Mg metal with an excess of HCl, at an atmospheric pressure of 750 torr and a temperature of 25.0 C? The vapor pressure of water at 25.0 C is 23.8 t..
The activation energy for a reaction is 37.6 kJ/ mol. The rate constant for the reaction is 5.4 x 10^3 at 45 degrees Celcius. Calculate the rate constant at 145 degrees celcius
indicate whether each of the following solutions are acidic, basic, or neutral at 25 degrees C: a)[H3O^+]=6.0x10^-12 M b)[H3O^+]=1.4x10^-4 M c)[OH^-]=5.0x10^-12 M d)[OH^-]=4.5x10^-2 M
Problem- If a buffer solution is 0.110 M in a weak acid (Ka = 2.6 *10^-5) and 0.480 M in its conjugate base, what is the pH
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