How many calories does a gram of ethanol provide?
Select one:
A. About 9
B. About 7
C. About 4
D. About 3
Answer (2)
Ethanol provides approximately 7 calories per gram, making the correct answer to the question 'A. About 7'. Understanding this can help in managing dietary energy intake effectively.
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The problem asks for the number of calories provided by a gram of ethanol.
Recall that ethanol provides approximately 7 calories per gram.
Therefore, the answer is A b o u t 7 .
Explanation
Problem Analysis The question asks us to identify how many calories are provided by one gram of ethanol. We are given four options: 9, 7, 4, and 3.
Recalling Caloric Content To answer this question, we need to recall the caloric content of ethanol. Ethanol, also known as ethyl alcohol, provides approximately 7 calories per gram.
Identifying the Correct Option Therefore, the correct answer is that a gram of ethanol provides about 7 calories.
Final Answer The answer is A b o u t 7
Examples
Understanding the caloric content of different substances is essential in nutrition and dietetics. For example, if you're formulating a diet plan or analyzing the energy content of alcoholic beverages, knowing that ethanol provides about 7 calories per gram helps in accurate calculations. This knowledge is also crucial in fields like biochemistry and food science, where energy balance and metabolic processes are studied.
