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Problem- A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 10.60% naphthalene by mass.
Calculate the vapor pressure at 25?C of hexane above the solution. The vapor pressure of pure hexane at 25?C is 151 torr.
Please illustrate work if possible thanks
Write the mechanism for the aldol condensation of two molecules of propanal
What weight of glucose in grammes is required to make 675 ml of a 750 mM solution. Glucose Mr = 180.16
The absorbance of solutions containing Cr as dichromate Cr2O7-2 in 1.0M H2SO4 were measured in a 5cm cell. The following results were obtained. What is the molar absorptivity of dichromate
certain temperature and pressure, one liter of CO2 gas weighs 1.85 g. What is the mass of one liter of CH4 gas at the same temperature and pressure?
Question- For the coordination compound [Cr(H2O)6]Cl2, using valence bond theory, explain the hybridization of the metal ion and geometry of the coordination ion; Using the crystal field theory, predict the number of unpaired electrons for the coo..
The initial volume of a sample of argon gas is 415 mL at 323°C. If the pressure is held constant and the volume is changed to 599 mL, what will be the new temperature (in °C)?
What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C.
How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen in the following reaction: N2+3H2 = 2NH3 ?
Write balanced equations showing how three of the common strong acids given below ionize to produce hydrogen ion.
Problem- If 79.0mL of 0.127 mol/L NaOH(aq) and 50.0mL of 0.189 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=5.55 at 25oC.
6NaOH + 2Al -> 2Na3AlO3 + 3H2 What volume of hydrogen gas (measured at STP) would result from reacting 75.0g of sodium hydroxide with 50.0g of aluminum?
with what volume of 5.0M HF will 7.4 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH)2 --> CaF2 + 2H2O
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