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Iron and Steam can react to produce solid Fe3O4 and hydrogen gas. This reaction is carried out using 25.0 g of iron and 48.2 g of steam. A)What is the maximum mass, in gram, of Fe3O4, that can be produced from this reaction? B)If 3.26 g of Fe3O4 are actually made, what is the percent yield of this process
the equivalence point occurs when 12.75 mL of 0.075M NaOH is added to a solution containing 10mL weak unknown acid and 40mL Deionized water
What volume of 0.200M Hydrochloric acid must combined to 250mL of 0.300M C8H7NaO3 to produce a buffer of solution with a pH of 3.37?
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
Hydrogen reacts in a fuel cell to produce water and electricity according to the reaction below. What is the maximum amount of electricity you might derive from 7.50 g of hydrogen
What are the mole fractions of ethanol, C2H5OH, and water in a solution prepared by mixing 55g of ethanol with 45g of water
What is the concentration (in M) of the chloride ion when 16 mL of a 0.625 M solution of sodium chloride is combined with 17.3 mL of a 0.551 M solution of iron(III) chloride to a final volume of 56.5 mL
The heat of formation of MnO is -385 kj/mol and that of Al2O3 is -1670 kj/mol. What is the heat of the reaction in kj
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 11.9 torr at 35°C. The vapor pressure of pure ethanol at 35°C is 1.00 multiplied by 102 torr
What molarity of sulfide ion will produce the greatest amount of lead sulfide (Ksp = 8.0 x 10-28) precipitate without precipitating any tin(II) sulfide(Ksp = 1.0 x 10-25)
What is the pH of a buffer prepared by adding 180 mL of 0.100 M NaOH to 200 mL of 0.100 M acetic acid? (Ka for CH3COOH = 1.8 x 10-5)
Calculate the pH at the equivalence point for titrating 0.250 solutions of each of the following bases with 0.250 M HBr
Solve an equilibrium problem (using an ICE table) to calculate the pH of 0.12M HF, 0.12M NaF, and a mixture that is 0.12M HF and 0.12M NaF.
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