About Dr Nick

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Teaching Since:	May 2017
Last Sign in:	339 Weeks Ago, 5 Days Ago
Questions Answered:	19234
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Education

MBA (IT), PHD
Kaplan University
Apr-2009 - Mar-2014

Experience

Professor
University of Santo Tomas
Aug-2006 - Present

Category > Physics Posted 09 Nov 2017 My Price 11.00

How much energy will it take to melt 100 grams of ice at 0◦C?

The answer is: $33.4 k J$

To answer to this question it is sufficient to use this equation:

$Q = L m$

where

$Q$

is the amount of heat needed to melt the ice (the request of the problem;

$L$

or $L_{i c e}$

is the of melt for ice, that is:

$L_{i c e} = 3.34 \cdot 10^{5} \frac{J}{k g}$

;

$m$

is the mass of ice that is to melt, that is:

$m = 100 g = 0.1 k g$

So:

$Q = 3.34 \cdot 10^{5} \frac{J}{k g} .0, 1 k g = 33, 400 J = 33.4 k J$

Answers

Dr Nick

(4)

Status NEW Posted 09 Nov 2017 11:11 AM My Price 11.00

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