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The triangle is the Classical Greek Capital Letter ' Delta'. 'D' in modern English.

'Delta/D' means the difference in temperature.

Q = m DeltaT c

Energy (joule) = mass(kg) X (Difference in Temperature)T(K) X specific heat capacity.

Ignoring the other terms, if the starting temperature is 273 K and the final temperature is 298K, then 'DeltaT' = ( 298-273 = 25K) Note the temperature scale is Kelvin(K) because this eliminates the use of 'Zero/ 0oC'. in the system.

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lenpollock

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4mo ago

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