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An aqueous vinegar sample contains 5.4% acetic acid by mass and has a density of 1.006 g/mL. Calculate the amount of acetic acid in grams in 2.00 L of this vinegar. Report your answer using the correct number of signi?cant ?gures. Your answer must be within ± 0.0%
Calculate the mean free path and the binary number of collisions per liter per second between HI molecules at 300 K and 1.00 atm. The collision diameter of the HI molecules may be taken to be 5.10 A. Assume ideal-gas behavior.
calculate the volume in ml of .500 M HA , .5ooM NaA , and water required to make 250 ml of a buffer with a total concentration
The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr
Propose a mechanism to account for the formation of a cyclic acetal from 4-hydroxypentanal and one equivalent of methanol
Water has a heat opf vaporization of 40.7 kJ/mol and a specific heat of 4.18 J/grams degrees celsius. How many Joules of heat are required to boil a cup of tea?
When 1.000 mol of pcl5 is introduced into a 5.000l container at 500k 78.50% of the pcl5 dissociates to give an equilibrium mixture of pcl5, pcl3, and cl2
What is the pH of a buffer that consists of 0.45 M CH3COOH and 0.35 M CH3COONa? Ka = 1.8 × 10-5
when two grams of sodium hydroxide were dissolved in 149 grams of h2owater in a calorimeter at twenty four degree
A compound contains the elements Ca and F. Analysis indicates that 2.94 g of sample of the compound contains 0.93 g calcium. Calculate the mass of fluorine in the sample.
A piece of silver (25 g) is heated to 100 degrees celsius, then dropped into 42.5 g of water with a temperature of 21.7 celsius. Assume they come to the same temp, what is the final temp of the silver and water? (Molar capacities: Ag 25.351 J/mol*..
Write out two net ionic equations for the reaction of hydrochloric acid with carbonate to form bicarbonate and the reaction of hydrochloric acid
giving that water has a molar enthlphy of vaporization of 40.79 kJ/mol, how many grams of water could be vaporized by 623 J
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