Fungi and bacteria release nitrogen stored in dead tissue through a decomposition process called B) ammonification.
Answer:
8306.76
Explanation:
you just calcuate 8.12 x 1023 and that will give you the answer
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Oxygen, should be correct
sometimes we use and need mandatory
A Chemical Property as this is caused by a chemical reaction.
Answer:
17.689g
Explanation:
1: First, write out the equation you will follow:
Ca + S ⇒ CaS
2: Use the formula Mass = Mr x moles to work out the moles of both Ca and S - this will enable you to find the limiting reactant.
3: Moles Ca:
Moles = mass/ Mr = 15.3/ 40.1 = 0.382 moles.
4: Moles S:
Moles = mass/ Mr = 7.96/ 32.1 = 0.245 moles.
5: We now know S is the limiting reactant, and as there is a 1:1 ratio between S and CaS, there will also be 0.245 moles CaS.
6: Mass CaS:
Mass = Mr x moles = 72.2 x 0.245 = 17.689g
