How much water can be raised from 25*C (room temperature) to 37*C (body temperature) by adding the 2,000 kJ in a Snickers bar?

m = 39834.3 g

Explanation:

Given dа ta:

Mass of water raised = ?

Initial temperature = 25°C

Final temperature = 37°C

Energy added = 2000 Kj (2000 * 1000 = 2000,000 j

Solution:

Formula:

Q = m. c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

ΔT = 37°C - 25°C

ΔT = 12°C

c = 4.184 g/j.°C

Q = m. c. ΔT

2000,000j = m. 4.184 g/j.°C. 12°C

2000,000j = m. 50.208 g/j

m = 2000,000j / 50.208 g/j

m = 39834.3 g