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Andrej [43]
2 years ago
10

Why do we feel cold when we touch the iron?

Chemistry
1 answer:
Darya [45]2 years ago
8 0

Heat flows from our body to iron

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Determine the mass of MgCl2 needed to create a 100. ml solution with a concentration of 3.00 M.
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Explanation:

1000ml \: contain \: 3 \: moles \\ 100 \: ml \: will \: contain \: ( \frac{100 \times 3}{1000} ) \: moles \\  = 0.3 \: moles \\ RFM = 95 \\ 1 \: mole \: weighs \: 95 \: g \\ 0.3 \: moles \: weigh \: ( \frac{(0.3 \times 95)}{1}  \: g \\  = 28.5 \: g \: of \: magnesium \: chloride

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