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Chlorine gas can be shaped commercially by passing an electric current through a concentrated solution of sodium chloride. The unbalanced equation is NaCl(aq) + H2O(l) = NaOH(aq)+Cl2(g)+H2(g). If the brine contains 430 g of NaCl explain how much H2 can be produced.
A certain antacid contains only Al(OH)3 (FW=78.00) and Mg(OH)2 (FW=58.33). If a 0.2678 g sample of the antacid requires 10.25 mL of 0.9815 M HNO3 for neutralization, what is the % by mass of Al(OH)3 in the mixture
A certain mixture of He and Ne in a 356-cm3 bulb weighs 0.1480 g and is at 20oC and 748 torr. Find the mass and mole fraction of He present.
Assuming you have avaiable to you a 50.0 g sample of glass (c=0.0837 J/g C) and a 50.0 g sample of iron (c=0.0452 J/g C). Both samples start at room temperature, 24.3C. If 500. joules of heat were added to each of these samples,
during one of the processes at the plant. The two liquids are blended until a specific gravity of 1.445. Determine the mole percentage of the two components in the blend.
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
Write the balanced chemical equation for the formation of liquid pentanol, C5H12O, from the elements. Be sure to include the state subscripts.
What is the stoichiometric relationship between IO3- and I2? b. What is the stoichiometric relationship between I2 and S2O3 2-? c.
The reusable booster rockets of the space shuttle utilize a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is given below.
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, what is the entropy change
the heat of combustion of butane is -2878kj/mol assume a typical cigarette litter hold about 1.75 grams of butane how much energy would be released
The [H3O+] is 1*10-6M in a solution. Calculate the [OH-]
Calculate the ratio of the concentration of acetate and acetic acid required in a buffer system of pH=4.10. The pKa of acetic acid is 4.76.
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