Find out more about the process of solar fusion, and then detail the process using simple diagrams.
What will be an ideal response?
The sun is our energy source. Without the sun, the earth would be an inhospitable place,
and mankind would not exist. The sun is a massive thermonuclear reactor: The enormous
forces in the sun’s core (where the density is 150,000 kg/m3 13 times that of lead, and
the temperature is approximately 27 million°F) cause hydrogen atoms to be split into
particles. This releases an enormous amount of energy and results in the hydrogen being
converted to helium.
Since fusion releases such enormous quantities of energy, scientists have tried to develop
controllable fusion reactors here on Earth. Several experimental reactors are being
studied, all of them using a combination of magnetic containment, high pressure, and high
temperature to create conditions where fusion can occur in a controlled manner.
The following website contains information on fusion and its potential as a power source:
http://fusedweb.llnl.gov/.
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Using the ideal gas law and the compressibility factor, determine the pressure of methane gas at a temperature of 300 K and specific volumes of (a) 0.005 m3/kg, (b) 0.05 m3/kg, (c) 0.5 m3/kg, and (d) 5.0 m3/kg
Given: CH4, T = 300 K What will be an ideal response?
Most vehicles since the early 1960s have fuel injection systems with computer controls. The computer monitors the oxygen content in the vehicle's exhaust and then adjusts the fuel supply to provide the correct amount of fuel and air for each intake stroke.
Answer the following statement true (T) or false (F)
Of the approximately 83,700 U.S. veterinarians actively practicing veterinary medicine in 2007, what proportion were practicing small animal medicine?
A. One-third B. One-half C. Two-thirds D. Three-fourths E. None of the above
What has been used to increase the efficiency of automatic transmissions?
A) Electronic controls that compensate for wear in friction components B) Lockup torque converter C) Continuously variable transmissions that allow the internal combustion engine to remain in an RPM range for peak torque efficiency D) All of these increase the efficiency of automatic transmissions.