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3 years ago

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When two hydrogen nuclei combine to form one helium nucleus, nuclear fusion has taken place. Please select the best answer from

the choices provided T F

2 answers:

kirill115 [55]3 years ago

8 0

The answer is true
<span>Nuclear Fusion is 2 small nuclei to form one that's bigger</span>

ziro4ka [17]3 years ago

4 0

The answer doesnt lie my friend,
<span>Nuclear Fusion is made up of 2 small nuclei to form one that's much larger.</span>

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Air at 25°C and 5 atm is throttled by a valve to 1 atm. If the valve is adiabatic and the change in kinetic energy is negligible

Vsevolod [243]

Answer:

$T_{2} = 25^{\circ}C$

Solution:

As per the question:

Temperature, $T_{1} = 25^{\circ}C$

Pressure, $P_{1} = 5 atm[\tex]Now,We know that the process of throttling occurs in adiabatic conditions where no heat is transferred in between the system and the surrounding, i.e., Q = 0Thus no work is done in this process, i.e., W = 0Enthalpy also remains same from one state to the other state, i.e., [tex]\Delta h = 0$

Therefore, from the eqn:

$Q - W = \Delta h + \Delta KE$

We can write:

$\Delta h = h_{1} - h_{2} = 0$

$\Delta h = C_{p}\Delta T$

$C_{p}(T_{2} - T_{1}) = 0$

Thus

$T_{1} = T_{2} = 25^{\circ}C$

where

$T_{2}$ = Exit temperature

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I believe it’s A. I know for sure it isn’t D.

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2 years ago

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Answer:

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2 years ago

What is latent heat of fusion?

Naddik [55]

If you have a lump of solid at its melting point ... like ice at 32°F ...
you have to put a certain amount of heat into it just to change it
to water at 32°F. That amount of heat, that's used just to change
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The number is different for every substance.

For water, it takes 336 joules of heat to melt 1 gram of ice
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gets watered down.

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3 years ago

Read 2 more answers

postnew [5]

Explanation:

TEMPLE HINDUS MOSQUE MUSLIMS TEMPLE HINDUS MOSQUE MUSLIMS

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3 years ago