3. susan makes the following entry in her notebook: "on friday we were given a blue liquid in a shallow container. we placed it on the windowsill over the weekend. on monday morning there was no liquid left, but the dish had some solid blue stuff in it." a. was the blue liquid in the dish a heterogeneous mixture, a solution, or a pure substance? explain your choice.
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Chemistry, 21.06.2019 22:30
Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.
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Chemistry, 22.06.2019 04:00
Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
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Chemistry, 22.06.2019 07:30
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
3. susan makes the following entry in her notebook: "on friday we were given a blue liquid in a sha...
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