Answer:
You would need to multiply.
Explanation:
Multiply the numbers separately.
SO do 19x15 and see what you get.
<h3>1.Pyrometallurgy</h3>
- This techniques involves the high temperature at which the Chemical reactions took place between the gases and solids.
- Pyrometallurgy involves calcination, Roasting and smelting process.
<h3> 2.Electrometallurgy</h3>
- This technique involves the metallurgy operations that took place in electrolytic cell.
- Electro- winning and Electro-refining are some of the electrometallurgy process
<h3> 3. Hydrometallurgy</h3>
- Reactions involves aqueous solutions to extract metal, use this technique.
- Hydrometallurgy involves precipitation , distillation , adsorption and solid extraction operations.
Now,
Type of metallurgy are used in the production of Fe is Roasting and Smelting.
<h3>What is Roasting?</h3>
- Ore is heated strongly with other substances, usually with Oxygen.
- Process temperature is below the melting point.
- Some of Impurities is removed as volatile substance.
In this reaction,
FeO changes to Fe₂O₃ to prevent the loss of iron during smelting.
4FeO +O₂→ Fe₂O₃.
Now,
<h3> What is Smelting?</h3>
- The oxides of less electropositive metals like Pb, Zn, Fe, Sn, etc.
- These are reduced by strongly heating with coal or coke.
- Reduction of the oxide with Carbon at high temperature is known as Smelting.
Thus from the above conclusion we can say that , metallurgy are used in the production of Fe is Roasting and Smelting.
Learn more about Iron here: brainly.com/question/2535311
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D because it’s not going into then air or to the clouds
Answer:
Explanation:
Hello.
In this case, given the chemical reaction, we can compute the grams of oxygen by using the 98.2 g of water via the 2:1 mole ratio between them, the molar mass of water that is 18.02 g/mol, the molar mass of gaseous oxygen that is 32.00 g/mol and the following stoichiometric procedure relating the given information:
In which the result is displayed with three significant figures because the given mass of water 98.2 g, has three significant figures too.
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Yes chloride is an element.... hope this helps!!
