Heat Capacity Worked Example Problem

Warmth Capacity Worked Example Problem  Heat limit is the measure of warmth vitality required to change the temperature of a substance. This model issue exhibits how to figure heat limit. Issue: Heat Capacity of Water from Freezing to Boiling Point What is the warmth in joules required to raise the temperature of 25 grams of water from 0 C to 100 C? What is the warmth in calories? Helpful data: explicit warmth of water 4.18 J/g ·Ã‚ °CSolution: Part I Utilize the recipe q mcÃŽTwhereq heat energym massc explicit heatÃŽT change in temperatureq (25 g)x(4.18 J/g ·Ã‚ °C)[(100 C - 0 C)]q (25 g)x(4.18 J/g ·Ã‚ °C)x(100 C)q 10450 JPart II4.18 J 1 caloriex calories 10450 J x (1 cal/4.18 J)x calories 10450/4.18 caloriesx calories 2500 caloriesAnswer:10450 J or 2500 calories of warmth vitality are required to raise the temperature of 25 grams of water from 0 C to 100 C. Tips for Success The most widely recognized mix-up individuals make with this count is utilizing inaccurate units. Make certain temperatures are in Celsius. Convert kilograms to grams.Be aware of critical figures, especially when working issues for schoolwork or a test.