Electric power is transmitted over long distances at high voltage because
A)
electricity moves faster at higher voltage.
B)
the lines can be on taller poles.
C)
lightning does more damage.
D)
there is less power lost.
E)
electricity moves slower at higher voltage.
D
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The Venus's atmosphere contains 96 percent _______________
Fill in the blank(s) with correct word
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A. 5.8 × 108 N B. 1.2 × 109 N C. 2.3 × 109 N D. 4.6 × 109 N E. 1.7 × 1017 N
Suppose reaction A involves the making of bonds and 22.5 J of energy, reaction B involves the breaking of bonds and 40.0 J of energy, and reaction C involves the making of bonds and 125.0 J of energy
What is the overall A + B + C reaction energy? Is this an exothermic or an endothermic reaction? Explain.
A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50°C. If the helium behaves like an ideal gas, the total energy of the system is
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