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3 years ago

10

Which of the folloiwing determines the identity of an atom? a Number of Neutrons b Atomic Mass c None of these d Number of elect

rons e Number of Protons

1 answer:

garik1379 [7]3 years ago

5 0

Answer:

Number of protons

Explanation:

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soldi70 [24.7K]

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How many Joules of heat would be required

mote1985 [20]

Heat would be required : 1,670 J

<h3>Further explanation</h3>

Given

mass of H₂O=5 g

Required

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Solution

The heat to change the phase can be formulated :

Q = m.Lf (melting/freezing)

Lf=latent heat of fusion

The heat of fusion for water at 0 °C : 334 J/g

Input given values in formula :

$\tt Q=5\times 334=\boxed{\bold{1,670~J}}$

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Contrast a plant cell with an animal cell. How can you tell them apart

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