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Консультация № 201975
24.12.2021, 07:34
0.00 руб.
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Уважаемые эксперты! Пожалуйста, ответьте на вопрос: помогите решить задачу, Определить состав, дефект массы, энергию связи и удельную энергию связи атомного ядра углерода-12, заранее спасибо
Обсуждение
24.12.2021, 21:21
общий
это ответ
Здравствуйте, finder!
Дано: ядро атома углерода-12.
Определить:
-- дефект массы; 
-- энергию связи; 
-- удельную энергию связи.
Решим задачу по методике, изложенной в пособии [1].
Дефект массы определим по формуле
Для ядра атома углерода-12 зарядовое число (число протонов)
число нуклонов (протонов и нейтронов) 
Масса протона 
а. е. м., масса нейтрона 
а. е. м., масса ядра атома 
а. е. м. По формуле (1) получим
(а. е. м.).
Энергия связи ядра определяется соотношением
Её также вычислим во внесистемных единицах (МэВ). Для этого дефект массы подставим в формулу (2) в а. е. м., а квадрат скорости света -- в МэВ/а. е. м. Получим
(МэВ).
Вычислим удельную энергию связи (энергию связи на один нуклон):
(МэВ/нуклон).
Ответ:
а. е. м., 
МэВ, 
МэВ/нуклон.
Использованные источники
1 Чертов А. Г., Воробьёв А. А. Задачник по физике: Учеб. пособие для студентов втузов. -- М.: Высш. шк., 1988. -- 527 с.
Дано: ядро атома углерода-12.
Определить:
-- дефект массы; -- энергию связи; -- удельную энергию связи.Решение
Решим задачу по методике, изложенной в пособии [1].
Дефект массы определим по формуле
Для ядра атома углерода-12 зарядовое число (число протонов)
число нуклонов (протонов и нейтронов) Масса протона а. е. м., масса нейтрона а. е. м., масса ядра атома а. е. м. По формуле (1) получим (а. е. м.).Энергия связи ядра определяется соотношением
Её также вычислим во внесистемных единицах (МэВ). Для этого дефект массы подставим в формулу (2) в а. е. м., а квадрат скорости света -- в МэВ/а. е. м. Получим
(МэВ).Вычислим удельную энергию связи (энергию связи на один нуклон):
(МэВ/нуклон).Ответ:
а. е. м., МэВ, МэВ/нуклон.Использованные источники
1 Чертов А. Г., Воробьёв А. А. Задачник по физике: Учеб. пособие для студентов втузов. -- М.: Высш. шк., 1988. -- 527 с.
5
Об авторе:
Facta loquuntur.
Facta loquuntur.
Форма ответа
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