If the Sun converts 
of H to He per second and the mass of a single hydrogen nucleus is 
,how many net proton-proton reactions go on per second in the Sun? What is the luminosity produced if the mass difference between a single helium nucleus and four hydrogen nuclei is 
? Note that 
.
Definitions:
High Calorie
Refers to food items or diets that are rich in calories, often implying a higher energy content that can lead to weight gain if consumed in excess.
Weight Distribution
The way weight is spread across an object or surface, affecting its stability and performance.
Mode
In statistics, the mode is the value that appears most frequently in a data set.
High Calorie
A description of food or drink that contains a large amount of calories, often leading to increased energy intake.
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