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drek231 [11]
3 years ago
14

Avery has a glass of pure water. She pours a tablespoon of sugar into the water to make it taste sweet.

Chemistry
1 answer:
SSSSS [86.1K]3 years ago
8 0
The first blank is a compound, second is a mixture
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The standard Gibbs energy of reaction, ÄG°, for the dissociation of phenol is 56.4 kJ mol-1 at 298 K. Calculate the pKa of pheno
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A is the answer to this question
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The molecular weight of vitamin C , C6H8O6 is 176.12 grams over mol
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Answer:

0.0250 g.

Explanation:

∵ no. of moles (n) = mass / molar mass.

<em>∴ mass of Vitamine C = (n)(molar mass)</em> = (0.000142 mol)(176.12 g/mol) = 0.02501 g = <em>0.0250 g. "three significant figures"</em>

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3 years ago
Germanium is a group 4A semiconductor. The addition of a dopant atom (group 3A element) that has fewer valence electrons than th
klasskru [66]

Answer:

Doping with galium or indium will yield a p-type semiconductor while doping with arsenic, antimony or phosphorus will yield an n-type semiconductor.

Explanation:

Doping refers to improving the conductivity of a semiconductor by addition of impurities. A trivalent impurity leads to p-type semiconductor while a pentavalent impurity leads to an n-type semiconductor.

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2 years ago
Does the reaction of hydrogen produce any products that negatively affect the environment?
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The answer is NO. During combustion of hydrogen, water is produced as an end product. The chemical formulae for combustion of hydrogen are:

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3 years ago
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In a chemical equation, (aq) after one of the substances means that it is which of these? a solid formed from two ionic substanc
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