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 ascertain 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? Valuable data: explicit warmth of water 4.18 J/g ·Ã‚ °CSolution: Part I Utilize the equation 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 misstep individuals make with this count is utilizing off base 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.