If an unknown piece of food produced 25 Cal of heat in a calorimetry test and lost 5 g of mass after burning, how many Calories are there in 1 gram of that food?

What is the difference between a scientific hypotheses and a scientific theory?

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called

Why were the results whit just water so much different than the trials with the detergent ?