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ariellake8551
02.04.2021 •
Chemistry
How much energy must be added to 250.0 g of ice at 0.00 °C to raise the temperature of the water to 50.0 °C? The heat of fusion for water is 334 J/g. The specific heat of water is 4.184 J/g·K.
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Ответ:
2Be + O2 - > 2BeO
Mg + O2 - > MgO2
The answer are letters C and D. The rest of teh choices are not balanced chemical equations.