Probably c. reactivity Hope this helps. :)
Answer:
- Bleaching powder is produced by the action of chlorine on dry slaked lime.[Ca(OH)2].
- Ca(OH)2 + Cl2 gives CaOCl2 + H20
Explanation:
<u>Uses:-</u>
- It is used an oxidising agent in many chemical industries.
- It is used for disinfecting drinking water to make it free of germs.
- It is also used bleaching cotton and linen in the textile industry.
Hope this helps!
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Because water molecules are polar, water can dissolve many other polar substances. Water can also dissolve ionic compounds such as table salt.
Answer: I italicize for checking
- <em>Rocks are preserved through the process.</em>
- <em>Rocks change from one type to another.</em>
- <em>Different rock groups are interrelated.</em>
- Rocks change from one type to another in a specific order.
- <em>Environmental conditions influence a change in rock type.</em>
Explanation:
Rocks are preserved, as in you can't destroy them completely, but no, they don't <em>stay </em>the same they change.
Answer:
Thus, first conversion of mass of methane into moles by dividing it with 16.04 g/mol
Mass = 138.63 g
Explanation:
The balanced chemical reaction is shown below:-
Firstly the moles of methane gas reacted must be calculate as:-
Given, mass of methane = 50.6 g
Molar mass of methane gas = 16.04 g/mol
The formula for the calculation of moles is:-
Thus, from the reaction stoichiometry,
1 mole of methane produces 1 mole of carbon dioxide
Also,
3.15 mole of methane produces 3.15 mole of carbon dioxide
Moles of = 3.15 mole
Molar mass of = 44.01 g/mol
Mass = Moles*Molar mass = g = 138.63 g