Exams & Certification

Consider The Following Resonance Structures For The Thiocyanate Ion, SCN . [-Cent] [=C=I] [:S=C=] Calculate The Formal Charge On The Oxygen Atom, Carbon Atom And Nitrogen Atom In Each Structure, Then Determine Which Structure Is Most Stable And Which Structure Is Least Stable. (5 Pts) The Correct Answer and Explanation is : I cannot directly […]

The standard molar enthalpy of formation of NH3(g) is –45.9 kJ/mol. What is the enthalpy change if 9.51 g N2(g) and 1.96 g H2(g) react to produce NH3(g)? A. –10.3 kJ B. –20.7 kJ C. –29.8 kJ D. –43.7 kJ E. –65.6 kJ The Correct Answer and Explanation is : To determine the enthalpy change

The standard molar enthalpy of formation of NH3(g) is 45.9 kJ/mol. What is the enthalpy change if 9.10 g N2(g) and 1.82 g H2(g) react to produce NH3(g)? The Correct Answer and Explanation is : To find the enthalpy change for the reaction where 9.10 g of N₂(g) and 1.82 g of H₂(g) react to

Convert each of the following pressures to the units specified: a 140kPa to Pa b 92000Pa to kPa c 4.24atm to mmHg and Pa d 120kPa to mmHg, atm and bar e 1400mmHg to atm, Pa and bar f 80000Pa to atm, mmHg and bar The Correct Answer and Explanation is : Let’s go step

Gas Pressures Can Be Expressed In Units Of MmHg, Atm, Torr, And KPa. Convert These Pressure Values. A 730. MmHg To Atm Pressure Atm B 1.85 Atm To MmHg Pressure = MmHg C 548 MmHg To Torr Pressure = Torr D 730. MmHg To KPa Pressure = KPa E 800. KPa To Atm Pressure =

What happens during the carbon fixation stage of the Calvin Cycle (light-indepedent reactions)? Energy from ATP and electrons from NADPH are used to reduce 3-phosphoglycerate to form G3P molecules (which can be used to form other organic molecules such as glucose) Oxygen is produced through this process The remaining G3P molecules that have exited the

What is the formula for sodium fluoride What is the formula for sodium fluoride The Correct Answer and Explanation is : The chemical formula for sodium fluoride is NaF. Explanation: Sodium fluoride is an ionic compound that is made up of two elements: sodium (Na) and fluorine (F). Here’s how the formula NaF is derived:

Which of the following is a characteristic of a partnership? A. Partners have co – ownership of the partnership’s assets. B. Partnerships pay corporate income taxes. C. Partnerships are listed on a stock exchange. D. Partnerships are organized as corporations. The Correct Answer and Explanation is : The correct answer is A. Partners have co-ownership

Cite examples of managers who are not leaders and of leaders who are not managers.What makes them one and not the other? Also, cite examples of both formal andinformal leaders. The Correct Answer and Explanation is : Managers Who Are Not Leaders:Managers are responsible for organizing, planning, and controlling resources within an organization to meet

The correct order for the three stages of memory is _. A short-term memory, long-term memory, retrieval B working memory, sensory memory, long-term memory C sensory memory, short-term memory, long-term memory D short-term memory, sensory memory, long-term memory The Correct Answer and Explanation is : The correct answer is C: sensory memory, short-term memory, long-term