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Physics, 22.06.2019 22:30
You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c
Answers: 1
Physics, 22.06.2019 23:00
Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings
Answers: 1
Physics, 23.06.2019 01:00
What is the frequency if a wave that pases a given pount 22 times in 2 seconds
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Physics, 23.06.2019 03:50
In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.
Answers: 2
Convert 27,549 into scientific notation...
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