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Alexeev081 [22]
2 years ago
14

Why do thermistors increase in conductivity when heated? What happens in normal metals? Explain on the atomic level.

Chemistry
1 answer:
Marysya12 [62]2 years ago
7 0

Metal conductivity generally goes down or resistivity goes up with temperature goes up.

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Eukaryote is the domain of an insect.

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What is the original mass of the iron wool?
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it is 55.84

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You are going to standardize your sodium hydroxide by titrating with potassium hydrogen phthalate. As an example, you dissolve 0
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Answer:

0.13 M

Explanation:

The reaction equation is;

NaOH(aq) + KHC8H4O4(aq) ------> KNaC8H4O4(aq) + H2O(l)

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Amount of KHP= mass/ molar mass = 0.3365 g/204.22 g/mol = 1.65 × 10^-3 moles

n= CV

Where;

C= concentration

V= volume in dm^3

n= number of moles

C= n/V = 1.65 × 10^-3 moles × 1000/250 = 6.6 × 10^-3 M

If 1 mole of KHP reacts with 1 mole of NaOH

1.65 × 10^-3 moles of KHP will react with 1.65 × 10^-3 moles of NaOH

From

n= CV

We have that only 12.44 ml of NaOH reacted

C= n/V = 1.65 × 10^-3 moles × 1000/12.44

C= 0.13 M

At the equivalence point, the KHP solution turned light pink.

4 0
4 years ago
Scientists recently discovered that firing low-energy particles at potatoes keeps the potatoes
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Answer:

By allowing the potatoes to be stored longer so they can be sold during winter months.

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3 years ago
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