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Tag Archives: weighing

Penny Statistics

adapted by M. J. Simpson and R. Sandwick from a lab originally written by by K. Jewett and S. Sontum Learning goals: analyze experimental data, formulate a logical conclusion, explain likely sources of experimental error Introduction A basic understanding of statistics is required in most scientific disciplines in order to analyze experimental data. For example, […]

Analytical Balance

Weighing a sample on a modern analytical balance is one of the most common measurements in a chemistry laboratory.  Almost all of the analytical balances are electronic where the gravitational force of the sample is balanced by a magnetic force generated by an electromagnet. The current needed to maintain the position of the weighing pan […]