How much co2 is produced by a light bulb left on for 35 hours?

The amount of CO2 produced would depend on the type of light bulb and its wattage. As a general estimate, an incandescent bulb (60W) would produce approximately 0.9 kg of CO2 if left on for 35 hours, while an LED bulb (10W) would produce about 0.15 kg of CO2.