Find the amount of energy (Q) required to raise the temperature of the water in kilo joules (KJ). Given mass of water m = 2kg = 2000g. Temperature difference ΔΤ = T2 – T1 = 60 °C – 25 °C = 35 °C . Specific heat of water = 4.18 J/g* °C .

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

no

explanation:

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