A 1.0* 10² Watt light bulb uses 6.0 * 10³ J of energy per minute. How many Calories of energy does a 1.0 * 10² W light bulb use in one minute? A) 1.4 Calories B) 250 Calories C) 1400 Calories D) 6 x 10³ Calories E) 2.5 x 10⁴Calories

Question

Quizplus · Accepted Answer

The energy used by the light bulb in one minute is 6.0 x 10^3 J. To convert joules to Calories, use the conversion factor 1 Calorie = 4.184 kJ. Therefore, 6.0 x 10^3 J = 6.0 kJ = 6.0 / 4.184 ≈ 1.4 Calories.

A 10* 102 Watt Light Bulb Uses 6

A 10* 10² Watt Light Bulb Uses 6