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Calculate the attractive force (in Newtons) between a cation with a valence of +3 and an anion with a valence of -2, the centers of which are separated by a distance of 7.0 nm
Minimal energy cost of H2S conversion to hydrogen and sulfur in gliding-arc is 1.6 eV/molec
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
when 8.00g of NaOH is added to a calorimeter filled with 75.0mL of HCl the temperature of the solution increases for 25.0 C to 33.5 C. calculate the molar heat of neutralization for the NaOH. (assume that the density of the solution is 1.00gmL)
What is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943g/L at 474K when its pressure is 728 torr.?
Use this information to estimate the X-X (single-)bond energy in the X2H4 molecule.
What technology or combination of technologies would you recommend for treating the following contaminated air streams?
consider the following equilibrium system H2(g)+ Br2(g)=2HBr(g) Keq= 14.8 A closed container is initially filled with equal moles of H2 and Br2.When equilibrium is reached the (HBr) is 0.329 mol/L What is the initial (H2)
Starting with standard reduction potentials calculate the values of e cell and delta g of the following reactions:
If 7.00 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
Explain the chemical process that occurred in his muscle cells to cause this discomfort. Explain the chemical reaction that has taken place in the body after exercise.
Electrical energy can be used to separate water into oxygen gas and hydrogen gas. In one such experiment,
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