B. When scientific understanding changes.
Answer: Mass
<em>Input:</em> Mass is a measure of the quantity of matter in an object.
Explanation: Mass is the measure of amount of matter in a certain object.
A barometer measures atmospheric pressure.
Answer:
0.484 mole
Explanation:
1 mole of glucose reacts with 6 moles of O2, producing :
6 moles of CO2
6 moles of H2O
678 kcal
Using rule of three you have:
1 mole of glucose -> 678 kcal
x mole of glucose -> 328 kcal
x = 328/678 * 1 =0.484 mole