Answer:
C. Symbol
Explanation:
The letters CU is a chemical symbol used to identify the said metal.
Elements are distinct substances that cannot be split up into simpler substances. Such substances consists of only one kind of atom. The numbers of elements know till date exceeds hundred. Every matter is a combination these various elements.
In the world of science, each of the element is symbolized by a capital letter or capital letter followed by a small letter usually derived from their Greek, Latin or English names.
For copper, it is derived from a latin word Cuprum and its symbol is Cu.
Amount of butter Chef used = 400g
1 g = 0.035274 oz
Therefore, 400 g = 0.035274 x 400 oz = 14.1096 oz
A) Chef Jacqueline should use __14.1096______ oz of butter.
1 g = 0.00220462 pound
Therefore, 400 g = 0.00220462 x 400 pound = 0.881848 pound
B) Chef Amy should use _0.881848________ pounds of butter.
5 moles.
think about the ratio of moles of iron oxide (Fe2O3) and iron (Fe) in that balanced chemical equation, which is 1:2, respectively. if there are 10 moles of Fe, you would divide that by 2 to get the number of moles of Fe2O3.