3 years ago

Neutrons have neither charge nor mass. TRUE FALSE

1 answer:

7 0

Answer:

FALSE

nuetrons do indeed have no charge, however they are nearly 2000 more times massive than electrons.

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notka56 [123]

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Sedaia [141]

Answer:

Al(NO3)3

Explanation:

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dusya [7]

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3 years ago

avanturin [10]

Answer:

1200 J/K

Explanation:

The formula for the entropy associated with a reversible phase change is

$\Delta S= \dfrac{q_{\text{rev}}}{T}$

1. Calculate q

For a reversible phase change like melting,

$q_{\text{rev}} = m\Delta_{\text{fus}}H = \text{1000 g} \times \dfrac{\text{334 J}}{\text{1 g}} = \text{334 000 J}$

2. Calculate ΔS

$\Delta S = \dfrac{q_{\text{rev}}}{T} =\dfrac{\text{334 000 J}}{\text{273.15 K}} = \textbf{1200 J/K}$

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3 years ago

34kurt

Answer:

option C 11

is the correct answer

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3 years ago