31.75 as an improper fraction is 127/4. The mixed number fraction is 31 3/4.
Answer:
$2/min
Step-by-step explanation:
14 ÷ 7 = 2
Therefore, $2 per minute.
Answer:
The answer to your question is letter B.
Step-by-step explanation:
The correct answer is letter B because both Copper and Iron as reactants have an oxidation number of zero and when they have reacted their oxidation numbers would be different from those.
A redox reaction is a reaction that involves a transfer of electrons from one atom to another and the oxidation numbers of the reactants are different from the oxidation numbers from the products.