What makes silicon an unlikely source as the basis of life?
What will be an ideal response?
Though similar in structure to carbon and share similar chemical properties, silicon is harder to assemble and disassemble than carbon and can't be as long and complex and contain as much information.
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What do infrared and ultraviolet waves have in common? How do they differ?
What will be an ideal response?
The quantity volt is equivalent to which of the following?
a. J?m b. J?C c. C/? d. J/C
An automobile of mass 2 500 kg moving at 50.0 m/s is braked suddenly with a constant braking force of 8 500 N. How far does the car travel before stopping?
a. 7.35 m b. 368 m c. 184 m d. 551 m e. 19.2 m
During an adiabatic compression, a volume of air decreases to 1/4 its original size. Calculate its final pressure if its original pressure was 1 atm. (Assume the air behaves like an ideal gas with ? = 1.4.)
a. 7.0 atm b. 5.6 atm c. 3.5 atm d. 2.2 atm e. 0.14 atm