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if 1 mol of solute particles raises the boiling point of 1 kg of solvent by 3.63 degrees Celsius then calculate the approximate concentration of the solution in mol/kg, ?
at 23°C and 1.00 atm A sealed balloon is filled with 1.00 L helium . The balloon rises to a point in the atmosphere where the the temperature is -34°C and pressure is 240. torr . determine the volume change of the ballon when it ascends from 1 atm pressure to 240 torr pressure ?
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
If the actual yield is 220.0 g and the theoretical yield is 275.6 g then what will be the percent yield of ferrous sulfide.
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
Chemistry of Proteins and Hemoglobin - What is the effect of the following changes on the O 2 affinity of hemoglobin?
Determine the Volume of air and partial pressure of nitrogen, oxygen, water vapor and air
10M NaF solution is slowly added with stirring, to a solution that contains 10M Ca(NO3)2 and 10M Cr(NO3)3 .Which salt CaF2 - or - CrF3 precipitates first? The Ksp for CaF2 = 5.3x10^-9 & Ksp for CrF3 = 6.6x10^-11
Write the structures of the saytzeff elimination
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
Compute the changes in the degree of polymerisation and the rate of the polymerisation caused by raising the temperature of polymerisation of styrene in C6H6, initiated by azobisisobutyronitrile from 60 0C to 70 0C.
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