Physics, 26.04.2021 04:00, ritaraum1802
Which two reactions are faster than the others?
O A. Black powder in fireworks burns explosively to produce gases and
white light.
O B. Iron metal reacts with oxygen in air to form rust.
O C. Silver tarnishes in air that contains hydrogen sulfide.
D. Lead nitrate and potassium iodide react to form a yellow
precipitate.
Answers: 3
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Which two reactions are faster than the others?
O A. Black powder in fireworks burns explosively t...
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