Chemistry, asked by atophie82, 8 months ago

13. The ……….. of an element is defined as the ………… of all the atoms present in an element compared to the mass of a carbon-12 atom (designated 12.000 atomic mass units).

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Answered by rutushetty9

Explanation:

A nuclear thermal rocket using hydrogen as the propellant has a specific impulse Isp,NUKE = 900s and a liquid rocket using LH2-LOX as the propellant has a specific impulse Isp,LOX = 450s when both use the same nozzle and operate under the same ambient pressure conditions with the nozzle matched. The liquid rocket engine operates with a chamber temperature Tc = 3600K. Calculate a reasonable estimate of the chamber temperature at which the nuclear rocket is operating.

Answered by kuvsbrao

Answer:

1 atomic mass

2 number of

Explanation:

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13. The ……….. of an element is defined as the ………… of all the atoms present in an element compared to the mass of a carbon-12 atom (designated 12.000 atomic mass units).​

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13. The ……….. of an element is defined as the ………… of all the atoms present in an element compared to the mass of a carbon-12 atom (designated 12.000 atomic mass units).