A sample of carbon dioxide occupies a 7.58 dm3 container at STP. What is the volume of the gas at a pressure of 334.4 kPa and a temperature of 14.8°C?

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the answer is d. 74.02

the answer your looking for is c).

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.