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natima [27]
4 years ago
11

26. At high temperatures these elements conduct electricity but at lower temperatures they do not conduct electricity. This make

s them useful in electronic devices. What are these elements?
explain answer
Chemistry
2 answers:
LenaWriter [7]4 years ago
4 0

A semiconductor conducts electricity at high temperatures, but not at low temperatures. At high temperatures, metalloids act like metals and conduct electricity.

Explanation:

start using quizlet. it has every anwser

DochEvi [55]4 years ago
3 0
Its all on quizlet.........
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The amount of electrons in each atom of the element

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The pH of a solution is a measure of the concentration of hydrogen ions in the solution. A solution with a high number of hydrogen ions is acidic and has a low pH value. A solution with a high number of hydroxide ions is basic and has a high pH value. The pH scale ranges from 0 to 14, with a pH of 7 being neutral.

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Write the molecular formula in the of the following compounds.
tensa zangetsu [6.8K]
Calcium bicarbonate - Ca(HCO3)2
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4 0
3 years ago
When 0.639 L of a 0.60 M solution is diluted to 2.822 L, what is the new molarity? Report your answer with 4 decimal places.
Liono4ka [1.6K]

Answer:

The new molarity is 0,1359M.

Explanation:

A dilution consists of the decrease of concentration of a substance in a solution (the higher the volume of the solvent, the lower the concentration).

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C1 x V1 = C2 x V2

0,60 M x 0,639 L= C2 x 2,822 L

C2=(0,60 M x 0,639 L)/ 2, 822 L

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