How many valence electrons does oxygen have? A. 2 B. 6 C. 8 D. 16

Chemistry

1 answer:

AleksandrR [38]3 years ago

8 0

Oxygen has 6 valence electrons, so B

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Answer:

Yes.

Explanation:

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A sample of aluminum, which has a specific heat capacity of , is put into a calorimeter (see sketch at right) that contains of w

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Complete Question

A sample of aluminum, which has a specific heat capacity of 0.897 JB loc ! is put into a calorimeter (see sketch at right) that contains 200.0 g of water. The aluminum sample starts off at 85.6 °C and the temperature of the water starts off at 16.0 °C. When the temperature of the water stops changing it's 20.1 °C. The pressure remains constant at 1 atm. Calculate the mass of the aluminum sample.

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$M=58g$