Question

#### Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
• ### At its normal boiling point of 126 degree C, octane, C H has a vapor pressure...

At its normal boiling point of 126 degree C, octane, C H has a vapor pressure of 760 mm Hg. What is its vapor pressure at 25 degree C? The enthalpy of vaporization of 39.07 kJ/mol point (in degree C) of a solution prepared by dissolving 7.40 g Assume ideal behavior. K_fp for H_2 O is -1.86 degree C/m.

• ### An aqueous sucrose solution freezes at -0.210 degree C. Calculate the normal boiling point and the...

An aqueous sucrose solution freezes at -0.210 degree C. Calculate the normal boiling point and the molality of an aqueous glucose solution having the same vapor pressure. Assume ideal solution behavior and kf and kb for water are 1.86 and 0.52 K-kg/mol, respectively.

• ### Part A What is the boiling point of water at an elevation of 1.25*10* ft ?...

Part A What is the boiling point of water at an elevation of 1.25*10* ft ? Express your answer with the appropriate units using three significant figures View Available Hint(s) CHAR O ? T= Value Submit Provide Feedback <Ch 11 Assignment Vapor Pressure The vapor pressure of a substance describes how readily molecules at the surface of the substance enter the gaseous phase. At the boiling point of a liquid, the liquid's vapor pressure is equal to or greater than...

• ### The boiling point elevation of an aqueous sucrose solution is found to be 0.58°C. What mass...

The boiling point elevation of an aqueous sucrose solution is found to be 0.58°C. What mass of sucrose (molar mass=342.30 g/mol) would be needed to dissolve in 450.0 g of water? Ký (water) = 0.512°C/m. (partial credit available) 528 g sucrose 174g sucrose 261 g sucrose 224. g sucrose 762 g sucrose

• ### The normal boiling point of water, H2O is 100.00 °C and its Kbp value is 0.512...

The normal boiling point of water, H2O is 100.00 °C and its Kbp value is 0.512 °C/m. Assuming complete dissociation of the electrolyte, if 10.57 grams of calcium acetate (Ca(CH3COO)2, 158.2 g/mol) are dissolved in 268.2 grams of water, what is the boiling point of the solution? °C

• ### Molal Boiling-Point-Elevation and Freezing-Point-Depression Solvent Normal Boiling Point (∘C) Kb (∘C/m) Normal Freezing Point (∘C) Kf...

Molal Boiling-Point-Elevation and Freezing-Point-Depression Solvent Normal Boiling Point (∘C) Kb (∘C/m) Normal Freezing Point (∘C) Kf (∘C/m) Water, H2O 100.0 0.51 0.0 1.86 Benzene, C6H6 80.1 2.53 5.5 5.12 Ethanol, C2H5OH 78.4 1.22 -114.6 1.99 Carbon tetrachloride, CCl4 76.8 5.02 -22.3 29.8 Chloroform, CHCl3 61.2 3.63 -63.5 4.68 Part E freezing point of 2.02 g KBr and 4.84 g glucose (C6H12O6) in 187 g of water Part F boiling point of 2.02 g KBr and 4.84 g glucose (C6H12O6) in...

• ### Question 3 5 pts What is the boiling point (°C) of water if the atmospheric pressure...

Question 3 5 pts What is the boiling point (°C) of water if the atmospheric pressure is 630 mmHg? atmospheric pressure)(0.037 Boiling point correction = (760 mmHg °C/mmHg) & True boiling point = 100 °C boiling point correction 4.8 O 95.2 87.3 96.4

• ### 1-The boiling point of bromoform is 150 0C at 760 mmHg. What temperature is the boiling...

1-The boiling point of bromoform is 150 0C at 760 mmHg. What temperature is the boiling point for this molecule at 710 mmHg? Hint: Use nomopragh

• ### What is the freezing point and boiling point in Celsius of a solution 400 g of...

What is the freezing point and boiling point in Celsius of a solution 400 g of ethylene glycol (MW=62 g/mol) dissolved in 500 g of water? The molal freezing point depression constant for water is 1.86 C/m The molal boiling point elevation constant of water is 0.512 C/m Please explain steps

• ### Methanol has a normal boiling point of 64.6 °C at 760 torr. The △Hvap = 35.2...

Methanol has a normal boiling point of 64.6 °C at 760 torr. The △Hvap = 35.2 kJ/mol. What is the vapor pressure of methanol at 12.0 °C? ln (P2P1) = −△HvapR (1T2 − 1T1)R = 8.314 J /mol⋅K