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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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Which element would be the most reactive with K? Br, Na, Ar, or O? And how do you know?
kykrilka [37]
Ar I did this I think i got it right on edunuty
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3 years ago
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3 years ago
How many moles are 32 grams of O2?
Kaylis [27]
The formula for determining the moles of a compound is grams (g) divided by molecular weight (MW), or moles = g / MW. The molecular formula of oxygen gas is O₂, and because each oxygen atom possesses an atomic weight of 16.00 grams per mole (g/mol) (this value is found on the Periodic Table), the MW of oxygen gas is 32.00 g/mol. Therefore, 32 g of oxygen gas represent (32 g) / (32.00 g/mol) = 1.0 moles of O₂.<span>Source(s):
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3 years ago
Determine the electronegativity difference between the probable bond type and the more electronegative atom with respect to bond
a_sh-v [17]
<span>The electronegativity of the element Se is 2.4, the electronegativity of the element S is 2.5, so the difference between the electronegativity of the elements is 0.1. The probable bond type is non polar covalent bond. Based on the electronegativity values mentioned S is more electronegative.</span>
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3 years ago
How many moles are in 17.2g k2s
Natalija [7]

Answer: 0.156 mol

Explanation:

To find the moles of 17.2 g K₂S, we need to know the molar mass to convert.

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3 0
4 years ago
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