3 years ago

Write the isotope notation for an element with 12 protons and 14 neutrons.

Chemistry

1 answer:

PtichkaEL [24]3 years ago

7 0

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A 1.5-m 3 insulated rigid tank contains 2.7 kg of carbon dioxide at 100 kPa. Now paddle-wheel work is done on the system until t

Assoli18 [71]

Answer:

The entropy change of carbon dioxide = 0.719 kJ/k

Explanation:

Given:

1.5 m - 3 insulated rigid tank contains 2.7 kg of carbon dioxide at 100 kPa

The objective is to determine the entropy change of carbon dioxide

Formula used:

ΔS=

Solution:

On considering,

$C_{P} =0.846 kJ/kg K\\C_V=0.657 kJ/kg k\\$

ΔS= $mc_{v} lu\frac{p_{2} }{P_{1} }$

On substituting the values,

ΔS= $2.7*0.657lu\frac{150}{100}$

ΔS=0.719 kJ/k

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