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A gas sample has an original volume of 680 ml when collected at 720mm and 28C. what will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55C?
Using the following reaction: OH- + HC2H3O2 ---> H2O + C2H3O2- a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid.
A 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml.
Acid, Bases and Proton Transfer, what is the direction of proton transfer?
Write a suitable mechanism for the cleavage of butyl isopropyl ether with HI at 100 degrees Celsius to form exclusively isopropyl alcohol and 1-iodobutane.
2 NaClO3 2 -> NaCl + 3 O2 Determine the number of moles of O2 produced by the decomposition of 639 g of NaClO3.
The chlorination of propane yields 4 different dichloropropanes of formula C3H6Cl2. Using the following information to identify dichloropropanes A,B,C,D.
The normal respiratory rate for a human being is 15.0 breaths per minute. The average volume of air for each breath is 505 cm3 at 20 ? C and 9.95 × 10 4 Pa.
What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m.
The volume of a gas is 5.0L when the temperature is 5.0C. If the temperature is increased to 10.0C without changing the pressure what is the new volume?
The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 mol of NaC2H3O2 in enough water to make 1.50 L of solution.
What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
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