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Byju's Answer

Standard X

Chemistry

Volume of Gases and Number of Moles

2gm of steam ...

Question

$2 g m$ of steam condenses when passed through $40 g m$ of water initially at $25^{o} C$ . The condensation of steam raises the temperature of water to ${54.3}^{o} C$ what is the latent heat of steam?

540

cal/g

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536

cal/g

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270

cal/g

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480

cal/g

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Solution

The correct option is A $540$ cal/g
$x = 20 c m$
Calorimetry
$2 \times L + 2 \times 1 \times (100 - 54.3) = 40 \times (54.3 - 25)$ .
$2 L = 1080.6$
$L = 540.3$
$L ≅ 540$ cal/g

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Similar questions

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2gm of steam condenses when passed through 40gm of water initially at 25oC. The condensation of steam raises the temperature of water to 54.3oC what is the latent heat of steam?

The correct option is A 540cal/gx=20cmCalorimetry 2×L+2×1×(100−54.3)=40×(54.3−25).2L=1080.6L=540.3L≅540cal/g

$2 g m$ of steam condenses when passed through $40 g m$ of water initially at $25^{o} C$ . The condensation of steam raises the temperature of water to ${54.3}^{o} C$ what is the latent heat of steam?

The correct option is A $540$ cal/g
$x = 20 c m$
Calorimetry
$2 \times L + 2 \times 1 \times (100 - 54.3) = 40 \times (54.3 - 25)$ .
$2 L = 1080.6$
$L = 540.3$
$L ≅ 540$ cal/g