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padilas [110]
2 years ago
8

Which of the following best explains velocity?

Chemistry
1 answer:
zhannawk [14.2K]2 years ago
8 0
Velocity is explained as the *speed and *direction something might move.  Speed means moving and Direction means a certain way (not stationary.)

Hope this helps!
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Fluorine-18 is a positron emitter used in pet scans. write a balanced nuclear equation for the reaction.
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What is the molecular formula for water?
Alexxandr [17]

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5 0
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What’s the answer ?
Romashka-Z-Leto [24]

Answer:

45.3°C

Explanation:

Step 1:

Data obtained from the question.

Initial pressure (P1) = 82KPa

Initial temperature (T1) = 26°C

Final pressure (P2) = 87.3KPa.

Final temperature (T2) =.?

Step 2:

Conversion of celsius temperature to Kelvin temperature.

This is illustrated below:

T(K) = T(°C) + 273

Initial temperature (T1) = 26°C

Initial temperature (T1) = 26°C + 273 = 299K.

Step 3:

Determination of the new temperature of the gas. This can be obtained as follow:

P1/T1 = P2/T2

82/299 = 87.3/T2

Cross multiply to express in linear form

82 x T2 = 299 x 87.3

Divide both side by 82

T2 = (299 x 87.3) /82

T2 = 318.3K

Step 4:

Conversion of 318.3K to celsius temperature. This is illustrated below:

T(°C) = T(K) – 273

T(K) = 318.3K

T(°C) = 318.3 – 273

T(°C) = 45.3°C.

Therefore, the new temperature of the gas in th tire is 45.3°C

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3 years ago
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