Calculate the heat energy required to melt 4kg of ice when the specific latent heat of fusion of water is 334,000 J/kg. 1336 kJ

2336 kJ

3336 kJ

HELP ASAP

We have given in the question that,

We know that,

Amount of heat required = Mass * specific heat * change in temperature

[ Specific Latent heat of fusion is the amount of heat required to change one mole of substance from solid to liquid phase without changing in temperature .]

But, For complete melting of substance without change in temperature

Amount of heat required = Mass * Specific latent heat of fusion

Subsitute the required values,

Where,

Now,

Hence, The amount of heat required to melt 4kg ice is 1336KJ

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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