<h2>Answer: c
. Alkaline earth metals (Group 2)</h2><h3>Explanation:</h3>
Group 2 metals have 2 electrons in their outer shell. These two electrons are usually found in the s orbital, hence the s².
Possible interaction between oxygen molecule and water is ______________.
1 answer:
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Answer:
The factors on which the amount of energy absorbed by an endothermic reaction depends are the " physical state of the reactant and the difference in the potential energy of the reactant and the product".
Explanation:
In an endothermic reaction the factors that affects the reaction are the physical state of the reactant, which thus becomes the enthalpy. And the difference in potential energy of the reactant because if the sum of the potential energy is less than the sum of the potential energy of the product than the endothermic reaction will be positive and the reaction hence will be endothermic.
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Answer:
The rate law for second order unimolecular irreversible reaction is
Explanation:
A second order unimolecular irreversible reaction is
2A → B
Thus the rate of the reaction is
rearranging the ecuation
Integrating between times 0 to <em>t </em>and between the concentrations of to <em>[A].</em>
Solving the integral