5 pts Ethanol has a heat of vaporization of 38560 J/mol and a normal boiling point...
Question 49 5 pts A 1.00 L solution of 0.10 M NH3 and 0.4 M NH4Cl has 0.17 moles of KOH added. What is the pH of the resulting solution? K) (NH3) = 1.8 x 10-5. Report your answer to the nearest whole number Question 50 5 pts Ethanol has a heat of vaporization of 38560 J/mol and a normal boiling point of 352 K. What is the vapor pressure (in torr) of ethanol at 314 K? Report your answer...
20.Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 °C. what is the vapor pressure of ethanol at 15.0 °C? 4 pts)
Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 degrees Celsius. What is the vapor pressure of ethanol at 15 degrees Celsius?
ethanol has a heat vaporization of 38.56 8.314 J/mol K 782.4+ 27. All work must be show to receive credit. Remember, significant figures are important! P-AH/ TT, "P, R T ,T, - 25.0+ 2 1. (4 points) Ethanol has a heat or vaporization of 38 56 kJ/mol and a normal boiling point of 78.4°C. a. What is the vapor pressure of ethanol at 25 0 C? MP2 = - À HVED (T.. T2 ) - 38.56 kJlnit 78.4°C -25.06 0.0821...
Carbon disulfide, CS 2, has a heat of vaporization of 29,200 J/mol. The normal boiling point* of CS 2 is 317K What is the vapor pressure at 268K? (* BP at 760 mm Hg) Choose closest answer. 6.21 mmHg. 26.9 mmHg. 100. mmHg 325 mmHg. 129 mmHg. 859 mmHg. 299 mmHg. 155 mmHg.
The molar enthalpy of vaporization of hexane (C6H14) is 28.9 kJ/mol, and its normal boiling point is 68.73°C. What is the vapor pressure of hexane at 25°C? (R-8.314 J/K • mol) O 4.44 torr O 117 torr O 171 torr O 759 torr 0 3370 torr
A Review | Constants Pen Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 °C. Part A You may want to reference (Pages 478 - 487) Section 11.5 while completing this problem. What is the vapor pressure of ethanol at 19°C? Express your answer using two significant figures. Ivo A¢ * * O O ? P= 2.4•10-2 torr Submit Previous Answers Request Answer X Incorrect; Try Again; 13 attempts remaining Provide Feedback
Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 430 torr ? Express your answer in degrees Celsius using two significant figures.
Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 °C. At what temperature does benzene boil when the external pressure is 445 torr?
64. Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling pressure is 445 torr?