I think the answer is B, it keeps food from rotting as quickly and being wasted. Food-storage facilities. Food storage allows food to be eaten after some time after the harvest rather than solely immediately. This ensures that there is food even during the time when there is no harvests and also prevents wastage of food at the time of harvest
The mass of MgCl2 is 95.211g/mol so one mole equals 95.211 it’s asking for the mass of 2.3 which is 218.9853
it’s C
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Answer:
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Explanation:
1ai. The most dense is Tungsten.
1aii. The least dense is Sodium.
1aiii. The strongest is Tungsten.
1b. All metals conduct electricity.
They are all magnetic except magnetic.
and all solid at room temperature except mercury.
1c. Mercury is a liquid at room temperature.
1d. Tungsten is used as filament for light bulbs due to its high melting point and it doesn't oxidize, this the filament won't melt.
1e. The lump of gold will sink because it is more dense than mercury.
D is the only choice here that is appropriate given neutrons' lack of charge
