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Nata [24]
3 years ago
8

Which is a FALSE statement about the possible benefits of nanocars? A. They could work together to build really complex things.

B. They could increase the efficiency of building computer chips. C. They could increase the ability to build things from the top down. D. They could work as medical submarines searching the body for disease.
Chemistry
1 answer:
kondor19780726 [428]3 years ago
6 0
C, they could work together to make things from the top down. 
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate,
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Answer:the atoms of a solid aluminium can are close together vibrating in a rigid structure if the can is warmed up on a hot plate

Explanation:

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Which body system is MOST affected by the slow down of blood circulation?
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Cardiovascular system

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Why do we use scientific notation or scientific exponential numbers in math calculations?
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Iron forms rust, expressed as Fe2O3.
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Answer:

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3 years ago
At which temperature do the molecules of an ideal gas have 3 times the kinetic energy they have at 32of?
algol [13]

Answer:

  • 820 K

Explanation:

As per Boltzman equation, <em>kinetic energy (KE)</em> is in direct relation to the <em>temperature</em>, measured in absolute scale Kelvin.

  • KE α T.

Then, <em>the temperature at which the molecules of an ideal gas have 3 times the kinetic energy they have at any given temperature will be </em><em>3 times</em><em> such temperature.</em>

So, you must just convert the given temperature, 32°F, to kelvin scale.

You can do that in two stages.

  • First, convert 32°F to °C. Since, 32°F is the freezing temperature of water, you may remember that is 0°C. You can also use the conversion formula: T (°C) = [T (°F) - 32] / 1.80

  • Second, convert 0°C to kelvin:

         T (K) = T(°C) + 273.15 K= 273.15 K

Then, <u>3 times</u> gives you: 3 × 273.15 K = 819.45 K

Since, 32°F has two significant figures, you must report your answer with the same number of significan figures. That is 820 K.

7 0
3 years ago
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