How many grams of acetic acid are present in sample
If 3.60 mL of vinegar needs 45.0 mL of 0.135 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.50 qt sample of this vinegar?
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At a pressure of 1.00 atm and a temperature of 20 degrees celcius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
What is the pH of a solution obtained by dissolving two extra-strength aspirin tablets, containing 410 mg of acetylsalicylic acid each, in 260 mL of water? Ka= 3.3*10^-4
Steam at a pressure of P = 10 MPa, and temperature of T = 600 C is supplied at a rate of 100 kg/s. What is the velocity of the steam if the pipe carrying it has a diameter of 1 m?
The combustion of one mole of propane, C3H8 (Molar mass 44 g mol-1) releases 2230 kJ. How much heat is released by 6.60 g of propane?
Which of the following is true for a system whose equilibrium constant is relatively small?
Explain the reason behind the difference in the physical properties of methane and methanol.
The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
Suppose 1500 J of heat energy are put into a sample of liquid water at 25 degrees celsius, and the final temperature of the water is 75 degrees celsius. How many grams of water are present?
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