The first law of thermodynamics states the conservation of energy and heat where the <span>total energy in an isolated system may be transformed into another, but never created or destroyed. If 314 J of energy was released to the room, then also 314 J of energy was also removed from food in that refrigerator assuming it is an isolated system. </span>
Answer:
It can be represented using the chemical formula P 20 5.It has a molecular weight of 141.945 grams per mole and its density is about 2.39 G/cm 3.It can also be termed as Diphosphorus Pentoxide, Phosphorus(V) Oxide,
Phosphoric Anhydride, Tetraphosphorus Decaoxide, Tetraphosphorus Decoxide.
Answer:
The mole is the SI unit for amount of a substance.
Explanation:
Just like the dozen and the gross, it is a name that stands for a number. There are therefore 6.02 × 10 23 water molecules in a mole of water molecules.
Answer:
D
Explanation:
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