Identify the correc equation: 4Al + 302 --> 2Al Select one: O a. 4 to 2 O b. 4 to 10 O c. 3 to 2 O d. 6 to 10

Q: Which equation is balanced?

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Q: Which of the following cartoons depict a balanced reaction?

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Q: Add the stoichmetric factors:   ___FeCl2 + ______NaOH yields _____Fe(OH)2+ _______NaCl

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Q: Which properties would be changed if cotton fiber had –NH2 group

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Q: 2. Acetylene (C:H:) is used in welding in areas hard to reach with electricity. It burns with oxygen…

A: The solution is as follows:

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Q: the

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Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.