Explain the principles of operation of electronic and mechanical balances

An Introduction to Thermal Physics 1
Problem 16P Suppose you flip 1000 coins. a) What is the probability of getting exactly 500 heads and 500 tails? (Hint: First write down a formula for the total number of possible outcomes. Then, to determine the multiplicity of the 500-500 macrostate, use Stirlings approximation. If you have a fancy

Principles of General Chemistry 2
What is a pseudo-noble gas configuration? Give an example of one ion from Group 3A(13) that has it.

Microbiology: An Introduction 11
Which of the following is not a functionally analogous pair of stains? a. nigrosin and malachite green b. crystal violet and carbolfuchsin c. safranin and methylene blue d. ethanol-acetone and acid-alcohol e. none of the above

Physics: Principles with Applications 7
A 75.0-kg firefighter climbs a flight of stairs 28.0 m high. How much work does he do?

College Physics for AP® Courses 1
Consider a grey squirrel falling out of a tree to the ground. (a) If we ignore air resistance in this case (only for the sake of this problem), determine a squirrel's velocity just before hitting the ground, assuming it fell from a height of 3.0 m. (b) If the squirrel stops in a distance of 2.0 cm th

Glencoe Accounting: First Year Course, Student Edition 1
Preparing a Depreciation Schedule and Journalizing the Depreciation Adjusting Entry Quade Corporation bought a copy machine on January 7 of the current year for $2,360. It has an estimated useful life of five years and an estimated disposal value of $100. Instructions In your working papers: 1.

Behavior Modification: Principles and Procedures 6
What is a CER? Provide examples of positive and negative CERs.

Urban Economics 8
Labor Supply Elasticity: Island City versus Plains City Island City is located on a small island, while Plains City is located at the center of a large, fl at, featureless plain. Draw two labor-supply curves, one for each city. a. The supply curve for Island City is [steeper/fl atter] because. . . .