At what angle inside glass is light totally internally

Introductory Chemistry 5
A backpacker wants to carry enough fuel to heat 2.5 kg of water from \(25\ ^{\circ}\mathrm{C}\) to \(100.0\ ^{\circ}\mathrm{C}\). If the fuel she carries produces 36 kJ of heat per gram when it burns, how much fuel should she carry? (For the sake of simplicity, assume that the transfer of heat is 100

Introductory Chemistry 5
Write the Lewis structure for each ionic compound. (a) \(S r O\) (b) \(L i_{2} S\) (c) \(\mathrm{CaI}_{2}\) (d) \(R b F\) Equation Transcription: Text Transcription: SrO Li_2 S CaI_2 RbF

Conceptual Physics 12
Problem 27E When you double the charge on both particles in a pair, what effect does this have on the force between them? Does it depend on the sign of the charge?

Statistics for Engineers and Scientists 4
In a certain community, levels of air pollution may exceed federal standards for ozone or for particulate matter on some days. For a particular summer season, let X be the number of days on which the ozone standard is exceeded and let Y be the number of days on which the particulate matter standard i

Physics 4
Before practicing his routine on the rings, a 67-kg gymnast stands motionless, with one hand grasping each ring and his feet touching the ground. Both arms slope upward at an angle of 24 above the horizontal. (a) If the force exerted by the rings on each arm has a magnitude of 290 N, and is directed

Essentials of Human Anatomy and Physiology 11
Define mitosis. Why is mitosis important?

Principles of Accounting, Volume 1: Financial Accounting
Property, Plant, and Equipment is considered why type of asset? A. current assets B. contra assets C. tangible assets D. intangible assets

Chemistry for today : general, organic, and biochemistry 9
Identify the 3' and 5' ends of the DNA segment AGTCAT.