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Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce aqueous sodium sulfate Na2SO4 and liquid water H2O. Suppose 9.81 g of sulfuric acid is mixed with 11. g of sodium hydroxide. Calculate the maximum mass of sodium sulfate that could be produced by the chemical reaction. Round your answer to 3 significant digits.
a 10.0 g piece of metal at 100 c is transferred to a calorimeter containing 50.0 ml of water initially at 23.0 c.
Calculate the boiling point and freezing point of a solution containing 999g ethylene glycol and 3202g of water? kb(water)=0.52 C/m, kf(water)=1.86 C/m
what is the ph of a buffer if this buffer solution contains 0.12 mol of ch3ch2cooh and 0.10 mol of c3h5nao2 in 1.50
Consider the reaction CH4(g) + X2(g) → CH3X(g) + HX(g) , where X is a halogen-like atom (Group 7A). Calculate ?H for this reaction if bond energy tables give the following values
What proportion do blue elephants form of total production? If a particular elephant is pink, what is the probability it was made by machine B?
Will a precipitate of Fe(OH)3 form when 100.0 mL of 0.50 M Fe(NO3)3 is added to 500.0 mL of 2.0 M NaCN. Ka = 7 x 10-10 for HCN.
At what angle would the second order light of the same wavelength be reflected on the same side of the normal to the grating as the incident of light
What is the entropy change of the surroundings when 10. g of acetone, CH3COCH3, condenses at its normal boiling point
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 8.0×10?2 M NaOH. -benzoic acid (C6H5COOH)
If all the droplets were the same size, which would fall most slowly through the apparatus?
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
The following results were obtained for the determination of sulfur in another coal sample. The average for 3 trials was 2.28 %S. Report the 95% confidence limits for the average sulfur content in this sample based on the knowledge from extensive ..
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