Calories are a measure of energy used to calculate body needs. However, we often encounter two units, kcal and calorie. This makes many people not know how to use it properly. So what is kcal and what are calories? 1. What is the difference between kcal and calorie? When we talk ab...
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A. 是否主要使用外语 B. 课堂指令是否用外语 C. 是否展示正确的回答 D. 是否将外语与外语文化联系起来 查看完整题目与答案 每克碳水化合物能提供4kcal能量,每克蛋白质也能提供4kcal能量,那么每克脂肪能提供( )kcal能量。 A. 7 B. 8 C. 9 D. 10 查看完整题目与答案 在选址开设餐厅时,确...
What is the Carnot efficiency of a heat engine that operates between a hot reservoir at 500 K and a cold reservoir of 200 K? What is a thermal expansion formula? a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0^o C and a co...
A calorimeter is used to measure the combustion of 5.00 grams of H2 gas under 62.0 grams of water. The energy measured using the water was 4,432 J. What is the heat lost or gained by the total reaction? A Cu calorimeter, of mass 250 g, contains 1 liter of water, with an initial ...
What does it mean to 'tare a beaker ? What does kN stand for in weight? What is a measurement ton? What is the mass of glucose? What does dg stand for in metric system? What is monounsaturated fat? What does kcal mean? What does "average miles per gallon" mean?
The term calorie has been in use since the early 19th century, when it was used to define the amount of heat required to raise the temperature of a kilogram of water from 0 degrees to 1 degree Celsius. Scientists measured that as one kilocalorie, which is where the shortening ‘kcal’ co...
Heat is a form of energy that is transferred when there is an appreciable temperature difference. The same is stated by the zeroth law of thermodynamics. Heat absorbed by the system is positive and heat released out of the system is always considered negative....
This answer is: 👍👎Add a CommentMore answers Wiki User ∙ 8y ago Copy Teri makaki gand mera lund This answer is: 👍👎Add a CommentAdd your answer: Earn +20 pts Q: What was gand? Write your answer... Submit Still have questions? Find more answers Ask your question Continue...
Energy expenditure is the amount of energy a person uses to complete bodily activities, from moving to digestion. The higher a...