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Problem- A sample of 70 mmol of gas expands reversibly and isothermically at 373 K from 5.25 cm3 to 6.29 cm3. During such process the internal energy of the system increases by 83.5 J. Use the virial equation up to the second coefficient (B = -28.7 cm3 mol-1) to determine: a) Work; b) Heat; c) Change in enthalpy.
Solve the above problem in detail no word count
In the reaction of lithium, li with nitrogen n2 three lithium atoms react with on nitrogen atom elements lose one electron, atoms of the other element gain three electrons
In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases other. H3PO4, HF, LiOH,
Explain what is the energy of the photon that is emitted when the state of an electron changes from n=4 to n=2, in a hydrogen atom. (R =3.29 x 1015 Hz)
Draw the structure of the product that is formed when (1R,3S)-3-methylcyclohexan-1-ol is treated with the following reagents
It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents 79.0% of all magnesium atoms, Mg-25 accounts for 10.0%, and Mg-26 is the remaining 11.0%.
How would you experimentally demonstrate whether the newly entering acetyl group from the breakdown of glucose is or is not the carbon oxidized in the citric acid cycle? Show your work and draw out experiment.
How many possible isomers are there of an octahedral complex having the formula M(ABC)(NH3)(H2O)Br where ABC is the tridentate ligand H2N-C2H4-PH-C2H4-AsH2
Question- What is the effect of pH on the solubility of calcium carbonate. Why is this the case. Explain this using the equilibrium curves for calcium carbonate.
albr3 is sold as a solution in ch2br2. this is a rather exotic solvent and somewhat difficult to work with as well
Explain how many moles of HF (Ka=6.8x10-4) should be added to water to form 0.230L of solution with a pH of 3.50
A certain reaction has activation energy of 65.13 kJ/mol. Explain At what Kelvin temperature will the reaction proceed 6.00 times faster than it did at 357 K
explain why all the solutions iron iii nitrate and potassium thiocyanate used in this experiment were made in 0.1 m
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