Answer:
The net chemical equation for the production of iron from carbon, oxygen and iron(III) oxide:

Explanation:
Step 1: Carbon and oxygen react to form carbon monoxide:
..[1]
Step 2: Iron(III) oxide and carbon monoxide react to form iron and carbon dioxide:
..[2]
The net chemical equation for the production of iron from carbon, oxygen and iron(III) oxide can be obtained by :
3 × [1] + 2 × [2]

CO gas will gas cancel out form both sides ans we will get the net chemical equation:

According to reaction, 2 moles of ferric oxide reacts with 6 moles of carbon and 3 moles of oxygen gas to give 4 moles of iron and 6 moles pf carbon dioxide gas.
Answer:<em>if u change the number of neutrons u will .get an isotope of the same element. </em>
Explanation: <em>neutron can make an atom radioactive</em>
<u>Answer:</u> The volume of given mas of tin block at STP is 
<u>Explanation:</u>
To calculate volume of of the substance, we use the equation:

We are given:
Mass of tin = 95.04 g
Density of tin = 
Putting values in above equation, we get:

Hence, the volume of given mas of tin block at STP is 
Answer:
the first option is the correct answer