te at ng. 10.47. Which of these substances is the least soluble in water? a. CH3(CH₂)₂CH₂OH b. CH3(CH₂),CH₂OH c. CH3(CH₂),CH₂OH d. CH3(CH₂),CH₂OH

Samples of each of the substances listed below are dissolved in 125 g of water. Which of the solutions has the highest boiling point? (a) 3.0 g sucrose, C12H22O11 (b) 1.0 g glycerol, C3H3(OH)3 (c) 1.0 g propylene glycol, C3H6(OH)2 (d) 2.0 g glucose, C6H12(OH)2

In the northern United States, summer cottages are usually closed up for the winter. When doing so, the owners winterize the plumbing by putting antifreeze in the toilet tanks, for example. Will adding 525 g of HOCH2CH2OH to 3.00 kg of water ensure that the water will not freeze at 25 C?

What mass (g) of ethanol, CH3CH2OH(), can be vaporized at its boiling point of 78.4 C by transfer of 500. kJ to the liquid? The vapH of ethanol is 38.6 kJ/mol at this temperature.

A tank of gas at 21C has a pressure of 1.0 atm. Using the data in the table, answer the following questions. Explain your answers. a If the tank contains carbon tetrafluoride, CF4, is the liquid state also present? b If the tank contains butane, C4H20, is the liquid state also present?

The solubility of nitrogen in water is 8.21 104 mol/L at 0C when the N2 pressure above water is 0.790 atm. Calculate the Henrys law constant for N2 in units of mol/L atm for Henrys law in the form C = kP, where C is the gas concentration in mol/L. Calculate the solubility of N2 in water when the partial pressure of nitrogen above water is 1.10 atm at 0C.

In a mountainous location, the boiling point of pure water is found to be 95C. How many grams of sodium chloride must be added to 1 kg of water to bring the boiling point back to 100C? Assume that i = 2.

In 500. g of water at 50 degrees Celsius, approximately what mass of substance C will dissolve? Round your answer to a whole number.

The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 13.53 grams of copper(II) acetate, Cu(CH3COO)2 (181.7 g/mol), in 281.1 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Water Ethanol Chloroform Benzene Formula H₂O CH3CH₂OH CHCI 3 C6H6 Diethyl ether CH3CH₂CH₂CH3 The molality of the solution is The boiling point of the solution is K₁ (°C/m) K₁ (°C/m) 0.512 1.86 1.22 1.99 3.67 2.53 2.02 m. °C. 5.12

9.) Limonene (136.24 g/mol) is one of the compounds that are found in rinds of citrus fruits and it can be extracted via steam distillation. How much steam is required to extract 150 grams of limonene if it is distilled at a temperature of 85ºC? The vapor pressure of water at 85ºC is 433.6 Torr. A. 26.4 g B. 1506 g C. 733 g D. 96.9 g