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How many milliliters of 0.349 M calcium hydroxide are required to titrate 73.1 mL of 0.269 M acetic acid to the equivalent point?
a 4.50-g sample of licl at 25.0 c dissolves in 25.0 ml of water also at 25 c. the final equilibrium temperature of the
Calculate the concentration of bicarbonate ion, HCO3 -, in a 0.010 M H2CO3 solution that has the step wise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11.
methyl alcohol (CH3OH) is made by reacting carbon dioxide with H2. Starting with 2.5g of H2 and 30.0 L of Co, what mass of methyl alcohol could be produced at STP.
A piston at 7.4 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to be placed on the piston to force the volume to adjust to 1.27 L
Consider a stoppered flask containing benzene, iodine, and air, which has reached equilibrium at 298K. Which one of the following statements concerning the system at equilibrium is true?
If the molar mass is 88 g/mol and the percent composition is 54.5% carbon, 9.15% hydrogen and 36.3% oxygen, what is the molecular formula of dioxane?
A standard method for the determination of glucose in serum is reported to have a standard deviation of 0.40 mg/dL. If s = 0.40 is a good approximation of lower case sigma
For each of the reactions, calculate the mass (in grams) of the product formed when 15.51g of the underlined-?vAssume that there is more than enough of the other reactant.
So he used this in his calculation. Actually it boiled at 102.*c during experiment. Did this assumption cause his calculated specific heat to be too high, too low or not affect?
relation between the energy of emitted alpha particles and the half-life for the radioactive decay.
when a gold nugget with a mass of 521 g is added to 50.0 ml of water the water level rises to 77 ml what is the density of gold
If all the energy obtained by by burning 1.26 lb of butane (fuel value is 10.85 kcal/g) is used to heat 126.0 kg of water at an initial temp of 19.7C, what is the final temperature.
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