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Yuri [45]
3 years ago
8

What is the net ionic charge of an oxygen ion?

Chemistry
1 answer:
SOVA2 [1]3 years ago
5 0

The answer is O2.

The ionic charge of something can be determined by it's place in the periodic table.

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The Large intestine absorbs water and vitamin K from digested food.
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Two plates slide past each other in opposite directions at a ____ boundary.
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3. How much heat is required to raise the temperature of 179g of acetic acid, CH3COOH, from 250C
IgorLugansk [536]

Answer:

Q = 1252.82kJ

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Mass = 179g

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Final temperature (T2) = 82.70°C = (82.70 + 273.15)K = 335.85K

Specific heat capacity (c) = 121.3J/g.K

Heat energy (Q) = mc∇T

M = mass of the substance

Q = heat energy

c = specific heat capacity of the substance

∇T = change in temperature of the substance = T2 - T1

Q = mc∇T

Q = 179 × 121.3 × (355.85 - 298.15)

Q = 21712.7 × 57.7

Q = 1,252,822.79

Q = 1252.82kJ

The heat energy required to heat 179g of acetic acid from 25°C to 82.70°C is 1252.82kJ

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