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3 years ago

What is mummification?

Physics

2 answers:

natita [175]3 years ago

6 0

Answer:

Explanation:

lthough the earliest examples of mummification were accidental, with bodies being preserved because of very dry, desert conditions, it soon became religiously important in ancient Egypt and was done deliberately. Ancient Egyptians believed that a happy afterlife depended in part on careful mummification. The word mummification is formed with the suffix -fication, "a making or causing," and mummy, from the Arabic mumiyah, "embalmed body," from the Persian root mum, "wax."

Nadya [2.5K]3 years ago

5 0

A process in which the skin and flesh of a corpse can be preserved

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Compare functions of the telescope and the microscope

Phoenix [80]

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Have a good day! =)</span>

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3 years ago

Calculate the work WC done by the gas during the isothermal expansion. Express WC in terms of p0, V0, and Rv.

mote1985 [20]

Complete Question

The complete question is shown on the first and second uploaded image

Answer:

The expression is $W_c = P_o V_o ln (R_v)$

Explanation:

Generally smallest workdone done by a gas is mathematically represented as

$dW = PdV$

Generally for an isothermal process

$PV = nRT = constant$

=> $P = \frac{nRT}{V}$

Generally the total workdone is mathematically represented as

$W_c = \int\limits^{v_f}_{V_o} {\frac{nRT}{V} } \, dV$

=> $W_c = nRT \int\limits^{V_f}_{V_o} {\frac{1}{V} } \, dV$

=> $nRT [lnV] | \left \ {V_f}} \atop {V_o}} \right.$

=> $W_c = nRT [ln(V_f) - ln(V_o)]$

=> $W_c = nRT ln \frac{V_f}{V_o}$

From the question $\frac{V_f}{V_o } = R_v$

=> $W_c = P Vln (R_v)$

at initial state

$W_c = P_o V_o ln (R_v)$

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3 years ago

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astra-53 [7]

Answer:

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3 years ago

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Neporo4naja [7]

Answer:

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3 years ago

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White raven [17]

Answer:

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Explanation:

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3 years ago