3 years ago

The state of matter for an object that has both definite volume and definite shape is

Chemistry

1 answer:

Romashka-Z-Leto [24]3 years ago

3 0

The state of matter for an object that has both definite volume and definite shape is solid.

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Is this example of a direct proportion or an inverse proportion?

ivanzaharov [21]

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How much energy is required to vaporize 14.27 grams of water at its<br> boiling point? *

laila [671]

Energy required to vaporize : 32.3 kJ

<h3>Further explanation </h3>

The heat to change the phase can be formulated :

Q = mLf (melting/freezing)

Q = mLv (vaporization/condensation)

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Energy required :

$\tt Q=m.Lv\\\\Q=14.27\times 2260\\\\Q=32250.2~J\approx 32.3~kJ$

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