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1.00 W electric heater operates for 10 minutes to hear the gas in a cylinder. At the same time, the gas expands from 2.00L to 10.00L against a constant atmospheric pressure of 1.0 atm. What is the change in internal energy in Joules of the gas?
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
An experiment was performed to determine the Ksp of Ca(OH)_2_. A solution containing 2.00 x ^-2 M Ca(NO3)_2_ was saturated with Ca(OH)_2_ and filtered. Two samples of the saturated solution were titrated with 5.021x10^-2 M HCI, in order to determi..
The specific heat capacity of silver is 0.24 J/°C · g. Calculate the energy required to raise the temperature of 120.0 g Ag from 273 K to 305 K
CH3CH2CH2CN can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield.
A drop of oil volume 0.05 cm3 is released from a medicine dropper on to a calm surface of a pond where it spreads out to cover an area of 40 cm2. Calculate the diameter of an oil molecule.
determine the volume of .450m napo4 is needed to precipitate all the leadii ions from 190.0ml of .550m leadii
relation between the energy of emitted alpha particles and the half-life for the radioactive decay.
The density of the solution is 0.993 g/mL. What is the molarity and molality of acetone in this solution?
A proton in a linear accelerator has a de Broglie wavelength of 127 pm. what is the speed of the proton?
what is the major organic product when cyclobenzene reacts with 1-chloro-2-methyl-5-ethylcyclohexane in the presence of AlCl3. please provide drawing of final structure
What is the phosphoanhydride bond on the NADH structure? Although NADH and ATP both have phosphoanhydride bonds
The person selling the coin priced it at $200, claiming it was pure gold. Being a well-equipped traveler and a chemist, the professor produced his graduated cylinder and electronic balance. The coin had a mass of 18.82 g and raised the water level..
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