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Write the structural formula and other name of a) 2-bromo-3,3-dimethylhexane b) 3,3-dimethyl-1-heptyne
A low melting metallic element has a vapor pressure of 28.2 torr at 458. oC. and a vapor pressure of 420. torr at 710. oC. What is the enthalpy of vaporization of this metal in kJ/mol?
What is the voltage of the cell: silver-silver chloride electrode || saturated calomel electrode given that the potential for the Ag|AgCl electrode in a saturated KCl
A sample of nitrogen gas in a 4.4-L container at a temperature of 35°C exerts a pressure of 3.7 atm. Calculate the number of moles of gas in the sample.
hydrogen and 6.8 * 10^-4 mol of oxygen. How much water can be produced if the gases react?
what is the delta S in J/K*mole when 1.645 grams of methane (FW=16.04) at 0.1091 atm pressure is compressed by a factor of 8.064 at a constant temperature of 22.81
Why do solutions of iodide ion in water appear yellow when I- is oxidized to I2 by a suitable oxidizing agent, while solutions of I- in CCl4 or CHCl2 appear violet when the same oxidationis done?
When 13.0 g of the mixture is dissolved in enough water to make 500. mL of solution, the solution exhibits an osmotic pressure of 6.85 atm at 25°C. Determine the mass percentage of NaCl in the mixture.
The resulting mixture exerts a pressure of 731 mmHg at 83°C. (a) What is the partial pressure of each gas in the container (in mmHg)? (b) What is the mass of the original sample (in g)
The equation for lowering the freezing point of a solvent is given in your manual. Given that the freezing point for the pure solvent is 79.5 , the molality is 0.15 , and the freezing point depression constant is 6.9 , determine the freezing tempe..
What volume of H2O(g) is produced when 7.90 mo of C2H4 (g) reacts at STP? C2H4 (g) + 3O2 (g) ----> 2 CO2 (g) + 2 H20 (g)
How many milliliters of 0.105 M HCl are needed to completely neutralize 60.0 mL of 0.108 M Ba(OH)2 solution?
The heat effect of the neutralization reaction NaOH(aq) + HCl(aq) is measured in an open adiabatic solution calorimeter (not a coffee cup calorimeter) The heat capacity of the calorimeter itself is 456 J/K.
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