Answer:
MedlinePlus Drugs Information
Explanation:
Promethazine is in a class of medication called phenothiazines
The sideways and downward movement of the edge of a plate of the earths crust into the mantle beneath another plate
Answer:
D) Energy stored in molecular bonds
Explanation:
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<h3>Oxidising Agent</h3>
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First, convert grams of the elements to moles. Then you divide by the smallest number of moles to get the lowest whole number ratio.
86g C×1 mol C/12g C = 7.2 mol C/7.2= 1
14 g H×1 mol H/1g H = 14 mol H/7.2= 2
So the empirical formula is C1H2
