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How much heat is required to change a 38.6 g ice cube from ice at -14.7 deg C to water at 65 deg C?
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How much heat is required to change a 38.6 g ice cube from ice at -14.7 deg C to steam at 114 deg C?
At equimolar concentrations of Fe+2 and Fe+3, what must [Ag+] be so that the voltage of the galvanic cell made from the Ag+/Ag and Fe+3/Fe+2 electrodes equals zero? The reaction is Fe^+2 + Ag^+ = Fe^+3 + Ag
The mass density of the resulting solution was 1040 kg/m^3. Calculate themolarity and molarity of sucrose in the solution.
Consider the following reaction. N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Complete the following potential energy diagrams for the formation of B and C by sketching the energy curve for each product. The diagrams are
if the initial pressures of the h2 and n2 in the flasks were 360 torr and 240 torr respectively what would be the final
The reaction takes place at around room temperature in solvents such as. The specific rate constant at 293 is found to be and at 303 the specific rate constant is found to be.
Calculate the expansion work done against a constant external pressure of 0.995 atm and at a constant temperature of 22 degrees C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
How many grams of silver nitrate does it take to react completely with 7 mol Cu?
using a solution that is prepared nbspby dissolving .702g of fenh42so42middot6h2o in 50ml of h2o having 1 ml of
Explain why the addition of a small amount of base to an acidic buffer solution causes only a small change in the pH of the buffer solution.
What pH is required to start precipitation of Fe(OH)3 from a 0.110 M solution of FeCl3? Ksp of Fe(OH)3 = 4.0 10-29
Calculate the 'size' of a hydrogen atom in its ground state according to this definition. Go on to explore how the 'size' varies as the definition is changed to other precentages, and plot your conclusion.
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