A gas X diffuses twice as fast as gas Y. if the relative ...
A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y.
128
8
16
64
Correct answer is A
\(\frac{RY}{RX}\) = \(\frac{\sqrt{My}}{\sqrt{My}}\) 1/2 = \(\frac{\sqrt{32}}{\sqrt{y}}\) \(\frac{32}{y}\) = 1/4
Y = \(\frac{32x4}{1}\) = 128
The soil around a battery manufacturing factory is likely to contain a high concentration of? ...
Which of the following statements about elements in Group VII is correct? ...
The oxidation state of chlorine in HClO4 is...
The collision theory proposes that ...
Which of the following CANNOT be an empirical formula? ...
The following non-metal form acidic oxides with oxygen except? ...
A noble gas with a high power of fog penetration used in aerodrome beacons is? ...
Hardness in water can be removed by adding ...
If humid air is polluted by chlorine discharged, the air can be restored by sprinkling ...