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Compute the osmotic pressure (in atm) of a solution containing 5.50 g ethylene glycol (C2H6O2) in 90.0mL of solution at 25 degrees Celsius.
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.
Compute the heat absorbed when 46.0 g of ice at-10.0 C is converted to liquid water at 85.0 C. The specific heat of ice is 2.03 j/g c, define the molar heat of fusion of ice is 6010 j/mol as well as the specific heat of water is 4.18 j/g c.
Calculate the electrical work done buy a dry cell in 1.00 H if it produces a steady current of 0.70 A at 1.5 V. Answer expressed in jeules.
if our eyes could see a slightly wider region of the electromagnetic spectrum we would see a fifth line in the balmer
Calculate the freezing point of a mixture that contains 4.68 g of diphenylamine (molecular weight 169.2 g/mol) dissolved in 46.64 g of cyclohexanol.
Which sample contains more molecules, 3.14 L of Ar at 85.00C and 1111 mm Hg pressure or 11.07g of Cl2?
Name the two types of nucleic acids and where each is found in the cell. Also include the four bases particular to each nucleic acid.
The enthalpy of formation of methanethiol CH3SH (g) is -22.9 KJ/mol. Methanethiol can be synthesized by the reaction of gaseous methanol and H2S. Water vapor is another product.
The equilibrium contant Kc for the reaction HF(aq)+H2O(l)-->H30+(aq) +F-(aq) is 3.5 x10^-4. What is the equilibrium concentration of H30+ if the initial concentration of HF is 1.0M.
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
according to le chateliers principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a)2NH3(g) 3H2(g)+N2(g). b)N2(g)+O2(g) 2NO(g). c)2NO2(g) N2(g)+2O2(g). d)4NH3(g)+3O2(g) 2N2(g)+..
Vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in solution?
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