Which of the following compounds will be most soluble in cyclohexane (C6H12)?
Ethylene glycol (HOCH2CH2OH)
None of these compounds should be soluble in cyclohexane.
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The solubility of lead nitrate at 100C is 140.0 g/100 g water. A solution at 100C consists of 57.0 g of lead nitrate in 64.0 g of water. When the solution is cooled 10C to 25.0 g of lead nitrate crystallize out. What is the solubility of lead nitrate in g/100 g water at 10C?
Which of the following compounds would be most soluble in the solvent hexane (C6H14)? a)pentanol, CH2CH2CH2CH2CH2OH b)ethanol, CH3CH2OH c)propanol, CH3CH2CH2OH d)methanol, CH3OH e)butanol, CH3CH2CH2CH2OH
How many grams of ethylene glycol (C2H6O2) must be added to 1000. g water to create anautomobile radiator coolant mixture that will not freeze at – 15⁰C?
Which molecule would you expect to be more soluble in water: CCl4 or CH2Cl2 ?
How much energy is given off when 563.8 g of NaCl solidifies at its freezing point of 801C ?
Which of these compounds is most soluble in water and why? (A) CH4; forms hydrogen bonding with water molecules. (B) NH3; forms hydrogen bonding with water molecules. (C) PH3: forms hydrogen bonding with water molecules. (D) H2S; forms hydrogen bonding with water molecules.
you add 1.00 kg of ethylene glycol (C2H6O2) antifreeze to 4450 g of water in your car’s radiator. What are the boiling and freezing points of the solution? (assume i = 1) ■Kf (°C/m) = 1.86 ■Kb (°C/m) = 0.512
Exlapin why ethanol (C2H5OH) is not soluble in cyclohexane (C6H12)
Which of the following compounds would be most soluble in hexane, C6H14? a. CH3OH b. C6H6 c. H2O d. C8H18 e. NaCl
Cinnamaldehyde (132.16 g/mol) is used as a flavoring agent. What mass of cinnamaldehyde must be added to 175 g of ethanol to give a solution whose boiling point is 82.57°C? (For ethanol, Kb = 1.22°C/m; boiling point of pure ethanol = 78.37°C) Multiple Choice 76.2 g 78.5 g 79.6 g 67.8 g 62.4 g
Compute the vapor pressure of a solution (sweetening) prepared at 30 degrees celsius. A simple syrup is made from 1 cup of sugar (225 grams C12 H22 O11) and 1/2 cup of water (115 grams H2O). Bring to boil; and then, cool. You will have 1 cup of syrup.
3. Which of the following substances would you expect to have the biggest effect on the freezing point of a pure substance? a. sugar/glucose b. CaCl2 (calcium chloride) c. K3PO4 (potassium phosphate) d. NaCl (sodium chloride)
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