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Ket [755]
3 years ago
8

Which statement explains what an insulator does?

Chemistry
1 answer:
zheka24 [161]3 years ago
5 0

The statement that explains what an insulator does is that: An insulator slows heat transfer.

A substance could be;

  • A thermal conductor
  • A thermal insulator

A thermal conductor allows heat to pass through it easily. It facilitates heat transfer.

A thermal insulator does not allow heat to pass through it easily, it does not facilitate heat transfer.

Hence, an insulator slows heat transfer.

Learn more: brainly.com/question/1033537

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Mamont248 [21]

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3 years ago
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What happens to metals when they form an ion?
Anastaziya [24]
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Predict the boiling point of water at a pressure of 1.5 atm.
Lina20 [59]

Answer:

100.8 °C

Explanation:

The Clausius-clapeyron equation is:

ln\frac{P_{1} }{P_{2}} =-Δ\frac{H_{vap}}{r} (\frac{1}{T_{2}}-\frac{1}{T_{1}}  )

Where 'ΔHvap' is the enthalpy of vaporization; 'R' is the molar gas constant (8.314 j/mol); 'T1' is the temperature at the pressure 'P1' and 'T2' is the temperature at the pressure 'P2'

Isolating for T2 gives:

T_{2}=(\frac{1}{T_{1}} -\frac{Rln\frac{P_{2}}{P_{1}} }{Delta H_{vap}}

(sorry for 'deltaHvap' I can not input symbols into equations)

thus T2=100.8 °C

7 0
3 years ago
Which of these is the best evidence that a chemical reactions occurs when coal burns?
laila [671]

Answer:

It’s b even check quizzes

Explanation:

3 0
3 years ago
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What is the concentration of H+ ions at a pH = 11?
natta225 [31]

Answer:

\huge 1 × {10}^{-11} \: \: M

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ {H}^{+} ]

Since we are finding the H+ ions we find the antilog of the pH

So we have

11 =  -  log({H}^{+})  \\ {H}^{+} =  {10}^{ - 11}

We have the final answer as

1 × {10}^{-11} \: \: M

Hope this helps you

6 0
3 years ago
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