Explain the freezing point of pure benzene

Reference no: EM13268193

A solution of 2.5g of an unknown non-volatile, non-electrolyte dissolved in 25 g of benzene freezes at 4.3 Celsius. The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.

Reference no: EM13268193

Questions Cloud

Why does science matter to a democratic society : You need prepare the thesis - Why Does Science Matter to a Democratic Society?

Compute the distance that places the final image at infinity : An object is placed 13.1 cm to the left of a diverging lens of focal length -6.04 cm. Find the distance d that places the final image at infinity

What is the pretax operating cash flow break-even point : Break-even point units: Ski & Surf manufactures snow boards. The firm has fixed costs of $1,090,275. The snow boards sell for $335 each and have a variable cost of $165 each. What is the pretax operating cash flow break-even point for Ski & Surf.

What is the firms per-unit contribution : Variable costs, fixed costs, and project risk. Solutions Bank Textbooks had sales and operating expenses of $1 million last year. If the firm had fixed costs of $300,000 on sales of 35,000 books, then what is the firm's per-unit contribution?

Explain the freezing point of pure benzene : The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.

Determine the temperature distribution inside the prism : A 2-meter long prism with square cross-section of side 0.1m is made of stainless steel with a thermal conductivity k=14.9W/m degrees C. Determine the temperature distribution inside the prism

Calculate eac for both the models : The annual maintenance costs are $810 for model A and $740 for model B. Assume that the opportunity cost of capital is 9 percent. Calculate EAC for both the models and choose which one should you buy?

Explain what final temperature would cause the pressure : If the initial temperature of an ideal gas at 2.250 atm is 62C, what final temperature would cause the pressure to reduce to 1.500 atm

What is the new frequency of the string : Two strings are adjusted to vibrate at exactly 188 Hz. Then the tension in one string is increased slightly. What is the new frequency of the string

User Account

All Pages