<span>The lowest quantity of energy that the reacting species must possess in order to undergo a specified reaction.</span>
Answer:
An acid increases the hydrogen ion concentration in a solution, while a base decreases the hydrogen ion concentration. pH is used to measure the concentration of H+ ions ([H+]) and therefore, whether a substance is acidic or basic (alkaline).
Explanation:
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Answer:
There is a higher oxygen content in the air of the lungs than that of oxygen-depleted blood and a lower carbon dioxide concentration. This gradient of concentration causes gas exchange during respiration.
Explanation:
Answer:
When atom gain electron in this atom the number of electron increase so the charge will negative and when loss electron the no of proton increase so the charge will positive because of more protons than electrons
Explanation:
