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A250 mL sample of a 0.1500 M solution of aqueous trimethylamine i5 titrated with a 0.1875 M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pr of (CH3)3N = 4.19 at 25°C.
An ideal gas flows through a horizontal tube at steady state. no heat is added and no shaft work is done.the cross sectional area of the tube changes with length and this causes the velocity to change
What is the wavelength (in nm) of a photon emitted during transition
The heat of vaporization of liquid nitrogen is determined by measuring the change in temperature of a known sample of warm water when liquid nitrogen is added.
Problem- The delta H of the rate determining step of an Sn1 reaction should be negative, positive, or zero? Why?
Calculate this speed in yards per second. How many yards would Arie have traveled during the time it takes the average human to blink (350 milliseconds)
how do you calcalculate a cube of an unknown metal measures 1.61mm on one side. the mass of the cube is 36mg. which of
Calculate the pH of a strong base solution formed by mixing 16.2 mL of 8.93e-05 M LiOH with 23.6 mL of 9.10e-05 M Sr(OH)2.
After 273 m3 of ethylene oxide at 748 kPa and 525 K is cooled to 293 K, it is allowed to expand to 1.10 × 103 m3. What is the new pressure?
The half-life of a particular element is 0.01256 years. How long would it take (in minutes) for the amount of to decrease to 89.56% of its initial amount, considering that radioactive decay is a first-order reaction.
a 51.0 g sample of ethylene glycol hoch2ch2oh is dissolved in 540.0 g of water. the vapor pressure of water at 32degc
Complete the ground-state electron configuration for these ions (using the noble gas abbreviation) and identify the charge. we need to find the electron configuration and the charge for Zinc ion thallium(lll) ion
Determine the time required to raise the initially ozone-free water in the pond to a concentration level of 0.15 mol/m3.
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