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Calculate the volume (in mL) of 1.2 mol of a perfect gas at 25.0C and a pressure of 1.02 atm.
What is the boiling point elevation and boiling point of a solution that contains 1.20 moles of non-ionic solute in 800.0 g of H2O?
Saturated aqueous sodium chloride(d=1.2g/mL) is added to the following mixtures in order to dry the organic layer. Which layer is likely to be on the bottom in each case?
give the structure and names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation
the density of aluminum is 2.70 gm/cm3 the density of chromium is 7.19 gm/cm3. if equal masses of Al and Cr are addede to equal vol of H2O in separate graduate cylinder which would have the greatest change in volume
A compound contains the elements Ca and F. Analysis indicates that 2.94 g of sample of the compound contains 0.93 g calcium. Calculate the mass of fluorine in the sample.
Consider the solution reaction AlCl3 + 3AgNO3 -> 3AgCl + Al(NO3)3. What volume of 0.100 M AlCl3 will exactly react with 55.0 mL of 0.162 M AgNO3?
what is the conjugate base of HPO4^2-? c)which acid has the weaker conjugate base? d)which acid has the stronger conjugate base? e)which acid produces more ions
Write and balance the molecular equation and then give the ionic and net ionic equations for the neutralization reaction between NH3(aq) and H2SO4(aq).
water in order to raise the boiling point of the solution by 0.5 C? Assume the ideal van't Hoff factor for NaCl.
what is the free energy change (DG) when protons are pumped across the membrane from the side of the membrane with low concentration to the side with high proton concenration at body temperature (37C)? The membrane potential is 0.06. Report your a..
What is the concentration of hydrogen ions in a solution containing 0.321 M HOCN (cyanic acid) and 0.223 M (NaOCN) (sodium cyanate)? The ionization constant of cyanic acid is 3.5 × 10-4.
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
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