Betty needs to get to a class that is 225
meters away and she walks at 3m/s. How
much time wi...
Chemistry, 31.03.2021 19:50 Jenniferwolf
Betty needs to get to a class that is 225
meters away and she walks at 3m/s. How
much time will it take her to get to class?
Answers: 1
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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
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Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
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