A gas occupies a volume of 30 mL at 273K. If the temperature is increased to 364K while the pressure remains constant, what will be the volume of the gas in ml?
0.40
0 20
30
60

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Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.

What component of earth’s atmosphere exists entirely as a result of photosynthesis?