Question

Helium gas occupies a volume of 0.09m³ and the pressure of 2×10^5 and temperature of 300k. calculate
1) The mass of helium
2) the root mean square speed of its molecules
3) The root mean square speedat 432k when the glass is heated at constant pressure to its temperature
4) the root mean square speed of hydrogen molecules at 432k (relative molecules mass of helium and hydrogen 4 and 2 respectively. molar has constant 8.3Jmol/k​

Answer 1

Answer:

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Explanation:

sala bhanchod bhosadhka madharchod