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A 3.0 L bulb contained helium at 156 mm Hg is connected by a valve to a 2.0 L bulb containing Ar at 180 mm hg.Calculate the partial pressure of each element after the valve is opened and calculate the total pressure after the valve is opened.
In a titration, 0.0 mL of 0.025 M hydrochloric acid is added to 30.0 mL of 0.030 M ammonia. What is the pH of the resulting mixture?
The energy from the radioactive decay of tritium is used to illinate exit signs that are posted in many buildings. The manufacturer adds 8 times as much tritium to the signs as is required to meet the brightness that fire codes require
Water expands on freezing. Since water is the principle ingredient in soft drinks when the soft drink freezes it will rupture the can.
question the reaction for plant photosynthesis of glucose sugar and oxygen gas is6co2g 6h2ol c6h12o6s 6o2gwhat is
What is the molecular geometry of a molecule with 3 outer atoms and 2 lone pairs on the central atom
Calculate the [OH-] of each aqueous solution with the following [H3O^+] at 25 degrees c: a. Baking soda, 1.0x 10^-8M b. Orange juice 2.0x 10^-4 M c. milk 5.0 x 10^-7 M D bleach 4.8x 10^-12m
a student collected hydrogen gas in a buret overwater at 230 c. the buret could not be submergeddeep enough in a water
Ethyl alcohol has been added to 160 mL of water in a container that has a mass of 130 g when empty. The resulting container and liquid mixture has a mass of 450 g.
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
particulat reaction doubles between 273k and 283k , calculate the value of the activation energy for the reaction.
Calculate the corresponding entropy for each state. d) Calculate the temperature for each state.
Predict the order of polymer molecular weight obtainable (highest to lowest) by the free radical solution polymerization of styrene in benzene, toluene, ethylbenzene, i-propylbenzene, and t-butylbenzene
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