For the First-Order Reaction Below,the Initial Concentration of a Is $\mathrm{A} \rightarrow \mathrm{B}$

question 24

Multiple Choice

For the first-order reaction below,the initial concentration of A is 0.80 M.What is the half-life of the reaction if the concentration of A decreases to 0.10 M in 54 seconds? $\mathrm{A} \rightarrow \mathrm{B}$$\quad$$\quad$$\quad$$\quad$$\quad$ rate $=k[\mathrm{~A}]$

• A) 18 s
• B) 24 s
• C) 36 s
• D) 48 s
• E) 51 s

---

Definitions:

Favourable Trade And Customs Laws

Legislation and regulations that reduce barriers to trade, such as tariffs and quotas, making it easier for goods and services to move across borders.

Free Flow Of Workers

Refers to the unrestricted movement of labor across industries, geographies, or organizations, aiming to optimize employment and skill utilization.

Political Integration

The process of combining different political entities, often sovereign states, into a single political unit or organization to achieve greater stability and governance.

Common Currency

A currency that is used by multiple countries, facilitating trade and economic policy coordination.