Name and describe the five types of determinants of fitness, heath, and wellness.
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Ответ:
personal, environmental, health care, social and individual, and healthy lifestyle choices.
The determinants are factors that affects the nature of the outcome, and can be positive or negative.
Ответ:
The specific heat of the substance is 393.939 joules per kilogram-degree Celsius.
Explanation:
We notice that the student is mixing a substance with a high temperature and another substance with a low temperature, where the first release heat to the latter one until thermal equilibrium is reached. By the First Law of Thermodynamics and assuming that the entire system has no energy interactions with the surroundings, we get the following model:
Where
and
are the changes in internal energy for the unknown substance and water, measured in joules.
By definition of internal energy, we expand the equation above now:
Where:
Then, we clear the specific heat of the unknown substance:
If we know that
,
,
,
and
, then the heat capacity of the unknown substance is:
The specific heat of the substance is 393.939 joules per kilogram-degree Celsius.