Top left and bottom right are the atomic models of the same element
The rate of effusion of H₂ : 7.2 x 10⁻² m/s
<h3>Further explanation </h3>
Graham's law: the rate of effusion of a gas is inversely proportional to the square root of its molar masses or
the effusion rates of two gases = the square root of the inverse of their molar masses:
or
MW₁ O₂ = 32 g/mol
MW₂ H₂ = 2 g/mol
Answer:
Option (C).
Explanation:
The lac operon may be defined as the group of genes that are involved in the lactose metabolism of the <em>E.coli</em> bacteria. François Jacob and Jacques Monod was the first scientists to explain the mechanism of Lac operon.
The production of large amount of beta-galactosidase by the cells, the lactose level will decrease. This causes the elevation of the glucose level in the E.coli bacteria.
Thus, the correct answer is option (c).
Answer:
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