Hi, Can Anybody Help Me With My Science Question Thank You.

[pool123]

an electric kettle supplies 20,000J of energy to hear 0.5kg of water. what is the temperature change? the specific heat capacity of water is 4200J per kg per centigrade.

[IJKLM]

The specific heat capacity is 4200J per kg per degree.

That's 2100J per 0.5kg per degree

Or 21,000J per 0.5kg per 10°

Does that help?

[Flonska]

Oh no . . . not more english comprehension homework?

Does it really take 20,000j to hear the water or heat it?

Answers on a postcard, please?

[Old_Geezer]

The last bit of your post tells you the relationship between energy, mass, and temperature. Make t the subject and use it to plug the figures in and get the answer.

[hellywelly4]

Flonskka, please don't denigrate a new member of AB. Give them a chance.

[fiction-factory]

When I was at school we used the formula Q= MSѲ although I think it s seen more often now as Q=MS(∆T)
So just rearrange that formula to get ∆T = Q/MS and substitute in the given values for Q, M and S