A 550-L cylinder contains 672.48 g of nitrogen gas at 147°C. The maximum pressure that the cylinder can withstand is 1310 mmHg. How many grams of helium must be added to the cylinder to reach its maximum pressure allowed?

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

hope this .

5.6⋅10−^19  j

do you need the explaination?