A new estimate of the ghostly particle’s maximum possible mass brings physicists a tad closer to understanding the universe.

1. Convert kilograms/second to grams per second. 1 kg = 1000 grams. If the mass flowrate is 0.25 kilograms/second, convert this to 250 grams/second. 2. Convert grams to moles, using the molar mass of ...

The fortunate fact that substitution of the molar mass equation into the equation of the speed of sound results in a linear equation enables a solution of this system of three equations by direct ...

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