Answer:
Explanation:
1. Calculate the moles of Sr(NO₃)₂
2. Calculate the mass of SrNO₃)₂
Answer:
The answer to your question is Cu(NO₃)₂
Explanation:
To write the chemical formula of a molecule:
1.- Look for the symbols of the elements
Copper = Cu has an oxidation number of +2.
Nitrate = NO₃⁻¹ nitrate is a polyatomic ion so it is composed of nitrogen,
oxygen and its oxidation number is -1.
2.- Write the chemical formula and interchange the oxidation numbers.
Cu⁺² + NO₃⁻¹ ⇒ Cu(NO₃)₂
C2H4 is oxidized and O2 is reduced in both reactions.
<h3>What is oxidation/reduction?</h3>
Oxidation is defined in several ways. Some of the definitions are:
- The addition of oxygen or removal of hydrogen
- Increase in the oxidation number of atoms
- Addition of electronegative or the removal of electropositive elements
Reduction, on the other hand, is defined as:
- Removal of oxygen or addition of hydrogen
- Decrease in the oxidation number of atoms
- Addition of electropositive elements or the removal of electronegative elements.
In the two reactions, oxygen is being added to C2H4. Thus, C2H4 is being oxidized.
The oxidizing agent is O2. In oxidation reactions, the oxidizing agents usually get reduced. Thus, O2 is reduced in both reactions.
More on oxidation and reduction can be found here: brainly.com/question/3867774
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The answer is the elements in a periodic table. <span>On the basis of the elements in the periodic table, they are divided into metals and non metals. </span>
