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determine at what pressure will pure H2O start to boil if its temperature is seventy five degree Celsius and given data is ?Ptp (H2O)=6.110×bar,Tt.p. (H2O)= 273.16K,?fus Ho (H2O)=6.01 kJ mol, ?sublHo(H2O)=46.69 kJ mol
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions. 1) .12 M HF pH = ? 2) a mixture that is 0.12 M HF in and 0.12M in NaF. pH =?
Suggest one plausible reason for a % mass of water that is lower/higher than the true value
A 283-g sample of nickel at 100.0°C is placed in 100.0 mL of water (density = 1.00 g/mL) at 22.0°C. What is the final temperature of the water?
A 2.20 g sample of a large boimolecule was dissolved in 13.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
What is the partial pressure of ethane P ethane , in the flask? Express your answer to three significant figures and include the appropriate units
The highly reactive OH radical (a species with an unpaired electron) is believed to be involved in some atmospheric processes. The bond enthalpy for the oxygen-to-hydrogen bond in OH as 460 kJ/mol. What is the longest wavelength (in nm) of radiati..
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
If the initial temperature of an ideal gas at 2.250 atm is 62C, what final temperature would cause the pressure to reduce to 1.500 atm
Which reagents would you select to synthesize 2-bromo-3-methylbutane from 2-bromo-2-methylbutane? a) (1) NaOEt in EtOH, and (2) HBr b) (1) NaOEt in EtOH, and (2) HBr in presence of ROOR
What is the value of the equilibrium constant at 25 degrees C for a reaction, if the value of ?G°rxn is -47.8 kJ at 25 degrees C
The decomposition of dinitrogen pentoxide obeys the rate-law expression rate = 0.080 min-1[N2O5]. If the initial concentration of N2O5 is 0.30 M, what is the concentration after 2.6 minutes
Calculate the weight of helium in pounds to fill a ballon whose capacity is 1.0 X10^6 ft^3 at 1 atm pressure and 27 C.
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