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Question: At -260 ?C the density of solid hydrogen is 0.0763 g cm-3.
(a) What is the radius of a hydrogen molecule estimated by Loschmidt's method?
(b) What is the value of NA that you obtain for this case?
Explain to what temperature would you have to heat Au(l) to cause its vapor pressure to become 314.3 mm Hg if its heat of vaporization as well as boiling point are 365.00 kJ/mol and 3080.2 K, respectively
A compounds 'H NMR spectrum illustrates resonance at 5.47 and 3.94 ppm explain what possible structural subunits does the compound contain
The half-equivalence of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
Magnesium is used in lightweight alloys for airplane bodies and other structures. The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation
If the initial temperature of the solution is 24.6 deg C and the specific heat capacity of the solution is 4.18 J/g deg C , calculate the final temperature of the reaction mixture.
Can anyone tell me how is made Sigma(Like as primary bond) and Pi(like as secondarybond)in Oxygen(O2) molecule. How are joined atomical orbital.
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
How much 6.00 M NaOH must be added to 580.0 mL of a buffer that 0.0195 M acetic acid and 0.0250 M sodium acetate to raise the pH to 5.75
The human body obtains 1091 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)
1.What is the pressure in a 23.0L cylinder filled with 0.740mol of nitrogen gas at a temperature of 325K. answer using atm 2. What is the temperature of 0.460mol of gas at a pressure of 1.5atm and a volume of 12.8L
Standard addition. An unknown sample of dopamine gave a current of 34.6 nA in an electrochemical analysis. Then 2.00 mL of solution containing 0.0156 M dopamine was mixed with 90.0 mL of unknown, and the mixture diluted to 100.0 mL in a volumetric fl..
A molecule, whose formula is AB, dissolves in water and also conducts electricity. What one statement best describes this molecule after it's placed in water
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