Chemistry, 17.11.2020 01:10, solisemily62
If 250 cal of heat were added to 43.8 g of Al at 22.5 degrees Celsius, what is the final temperature of the Aluminum? Show work.
Answers: 2
Chemistry, 21.06.2019 15:00, asims13
Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.
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Chemistry, 22.06.2019 08:30, melikefood01
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Chemistry, 22.06.2019 09:20, payshencec21
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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If 250 cal of heat were added to 43.8 g of Al at 22.5 degrees Celsius, what is the final temperature...
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