3 years ago

The correctly balanced equation for H 2O 2 → H 2O + O 2 is

Physics

1 answer:

antoniya [11.8K]3 years ago

3 0

2H2O + O2 -- 2H2O + O2 .

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What will be the final temperature if a 4.00 g silver ring at 41.0◦C if it gives off 18.0 J of heat to the surroundings? The spe

Eduardwww [97]

Answer:

Final temperature, $T_f=21.85^{\circ}$

Explanation:

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Mass of silver ring, m = 4 g

Initial temperature, $T_i=41^{\circ}C$

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The expression for the specific heat is given by :

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$Q=mc(T_f-T_i)$

$T_f=\dfrac{-Q}{mc}+T_i$

$T_f=\dfrac{-18}{4\times 0.235}+41$

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<h2>♨ANSWER♥</h2>

length of V-50 = 49mm

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so,

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