Chemistry, 19.11.2020 16:40 btcastongia
B. Lex Luthor has a piece of kryptonite that measures W=3.0 cm by L=6.0 cm by
H=4.0 cm has a mass of 80.0 grams. What is the density of the kryptonite?
Would the piece of that float in water? Why?
(volume = L x W x H) (water density = 1g/cm3)
Answers: 1
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What effect might melting sea ice have for people who live in coastal areas?
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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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What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
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B. Lex Luthor has a piece of kryptonite that measures W=3.0 cm by L=6.0 cm by
H=4.0 cm has a mass o...
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