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poizon [28]
3 years ago
13

Why a cut apple wrapped in foil does not turn brown?

Chemistry
1 answer:
Brums [2.3K]3 years ago
6 0
Because it's protected from air because air makes it turn brown.
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bazaltina [42]
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Which is more likely in a settled and sedentary community?
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How many moles of cf4 are there in 171g of cf4 ?
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Draw the structure(s) of all of the possible monochloro derivatives of 2,4-dimethylpentane, c7h15cl.
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7 0
3 years ago
How many molecules of CaCi2 are equivalent to 75.9 grams
horsena [70]
<em>M CaCl₂: 40+(35,5×2) = 111 g/mol</em>


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X molecules --------------------- 75,9g
X = (75,9×<span>6,02·10²³)/111
X = <u>4,116</u></span><span><u>·10²³</u> molecules of CaCl</span>₂

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