Determining the molecular weight of an unknown solid organic compound by freezing point depression

It is a unitless constant directly associated with the degree of dissociation of the solute in the solvent. His use of i was strictly to try and make the data fit together. Essentially, this is what he had: Now examine a 1.

Determining the molecular weight of an unknown solid organic compound by freezing point depression

No authentication protocol including anonymous is selected in IIS.

Related JoVE Videos

Only integrated authentication is enabled, and a client browser was used that does not support integrated authentication. Integrated authentication is enabled and the request was sent through a proxy that changed the authentication headers before they reach the Web server.

The Web server is not configured for anonymous access and a required authorization header was not received. Things you can try: Verify the authentication setting for the resource and then try requesting the resource using that authentication method.

Verify that the client browser supports Integrated authentication. Verify that the request is not going through a proxy when Integrated authentication is used.

Create a tracing rule to track failed requests for this HTTP status code.

[BINGSNIPMIX-3

For more information about creating a tracing rule for failed requests, click here. Check the authentication method for the resource, and verify which authentication method the client used.

The error occurs when the authentication methods are different. To determine which type of authentication the client is using, check the authentication settings for the client.To determine the freezing point of a solution with a known mass of unknown solute, accurately weigh about g of your unknown organic solid on the analytical balance (to g).

This mass will produce a sufficient freezing point change while minimizing waste.

9-Octadecenoic acid | C18H34O2 - PubChem

This phenomenon is known as freezing-point depression, and the change in temperature is directly related to the molecular weight of the solute. This experiment is designed to find the identity of an unknown compound by using the phenomenon of freezing-point depression to .

Mercury is a chemical element with symbol Hg and atomic number It is commonly known as quicksilver and was formerly named hydrargyrum (/ h aɪ ˈ d r ɑːr dʒ ər ə m / hy-DRAR-jər-əm). A heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure; the only other element that is liquid under these conditions is.

An examination of the blood smear (or film) may be requested by physicians or initiated by laboratory staff. With the development of sophisticated automated blood-cell analyzers, the proportion of blood-count samples that require a blood smear has steadily diminished and .

Determining the molecular weight of an unknown solid organic compound by freezing point depression

I. THE WHOLE TRINITY, each in His separate office, though all in unity, addressed themselves to the work of creation. 1. The Holy Spirit brooded over the watery chaos.

Automatic Translation

2. The Son, the Lord Jesus Christ, was that power, or "Arm of the Lord," by which the whole work was executed. Dec 05,  · The molecular weight of an organic compound was determined by measuring the freezing point depression of a benzene solution. A g sample was dissolved in g of benzene, and the resulting depression was oC (kf(benzene) = oC/m).Status: Resolved.

Homo sapiens diseases - Alterations in red blood cells (RBCs)