Physics, 25.03.2020 05:01 mettababeeeee
Suppose a power plant produces 1 GW of electricity at 40% efficiency, taking in steam at a temperature of 500◦ C. The waste heat is expelled into the environment at 20◦ C. At what rate (in watts) is heat expelled into the environment?
Answers: 2
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 23.06.2019 05:00
Definition: this is the weighted average of all of the isotopes of an element.
Answers: 1
Physics, 23.06.2019 08:00
Which of these best describes the term ecliptic? a. the circle where "earth meets the sky" b. the change in azimuth and altitude of an object c. the point directly above the geographic north pole d. the path of the sun through the constellations of the zodiac
Answers: 2
Suppose a power plant produces 1 GW of electricity at 40% efficiency, taking in steam at a temperatu...
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