The Decomposition of N₂O₅ in Solution in Carbon Tetrachloride Proceeds

question 115

Multiple Choice

The decomposition of N₂O₅ in solution in carbon tetrachloride proceeds via the reaction 2N₂O₅(soln) → 4NO₂(soln) + O₂(soln)
The reaction is first order and has a rate constant of 4.82 × 10^-3 s^-1 at 64 °C. If the reaction is initiated with 0.058 mol in a 1.00 L vessel, how many moles remain after 151 s?

• A)0.055 mol L^-1
• B)0.060 mol L^-1
• C)0.028 mol L^-1
• D)12 mol L^-1
• E)2.0 × 10³ mol L^-1

Explain the characteristics necessary for effective respiratory surfaces.

Identify common respiratory system blockages and their locations.

Describe lung capacities and their significance in respiratory functions.

Understand the mechanics of inhalation and exhalation.

---

Definitions:

Fixed Manufacturing

Costs associated with manufacturing that remain constant, regardless of the level of production, such as rent, salaries, and equipment depreciation.

Flexible Budget

A budget that adjusts or varies with changes in volume or activity, providing a valuable tool for performance evaluation.

Master Budget

A master budget integrates various financial plans and forecasts of a company, serving as a comprehensive financial framework for the upcoming fiscal period.

Direct Materials

Basic materials that can be directly linked to the creation of a product and are essential components of the end product.