Answer: The average rate of the reaction during this time interval is, 0.005 M/s
Explanation:
The given chemical reaction is:
The expression will be:
where,
= final concentration of = 0.025 M
= initial concentration of = 0.100 M
= final time = 15 minutes
= initial time = 0 minutes
Putting values in above equation, we get:
Hence, the average rate of the reaction during this time interval is, 0.005 M/s
Newton’s law of motion is proving that all things move with force. Everything that has force to it moves
<span>Considering the answers;
a) CO₃²⁻ and OH⁻
b) CO₃ and CO₃²⁻
c) H₂CO₃ and CO₂⁻³
d) H⁺ and H₂CO₃
e) H₂CO₃ and HCO₃⁻
The correct answer is e) H₂CO₃ and HCO₃⁻; however, the HCO₃⁻ and CO₃²⁻ pair would be more basic than the carbonic / bicarbonate pair. A buffer is a mixture of a conjugate acid-base pair that can resist changes in pH upon addition of an acid or a base. Carbonic acid is formed when carbon dioxide is dissolved in water; Bicarbonate buffer system consists of carbonic acid, a weak acid, and the bicarbonate anion, its conjugate base. </span>