The pH in peroxide bleaching of mechanical pulps has to be adjusted in a way so it is above 9.5 at the end of the reaction. Why is that ?

Why is Mg salt added to the oxygen bleaching system?

Why is the air supply for the primary air inlet in a recovery boiler generally “starving” the system (not enough air is provided to completely burn organic material to CO2)?

In the reducing area of the recovery boiler oxidized sulfur compounds such as Na2SO4 are reduced to Na2S. What (compound, element, chemical) is acting as reducing agent and is being oxidized in the process 

Fouling of the tubes in the multiple-effect evaporates is one of the major problems with them. What are two common ways of attempting to deal with the problem?

The solid content of black liquor after six multiple-effect evaporations is most likely

The Unit One Exam will be available from Monday, January 26th at 12:01am to Saturday, January 31st at 11:59pm. You can complete the exam at any point during this window. Failure to complete the exam will result in an automatic zero with absolutely no makeups; regardless of your excuse. Each student will be responding to 30 questions that can be one of the following: multiple choice, true/false, or matching. Students will also respond to two essay questions. Each student will be given sixty minutes to complete the exam and they must complete it in one session (once you start the exam, the timer will begin and will automatically submit once time expires). The exam is not open. Students are required to use HonorLock for this exam.

The Unit One Exam will be available from Monday, January 26th at 12:01am to Saturday, January 31st at 11:59pm. You can complete the exam at any point during this window. Failure to complete the exam will result in an automatic zero with absolutely no makeups; regardless of your excuse. Each student will be responding to 30 questions that can be one of the following: multiple choice, true/false, fill-in-the-blank or matching. Also, students will be responding to two free response essay prompts. Each student will be given sixty minutes to complete the exam and they must complete it in one session. The exam is not open note. Students are required to use HonorLock for this exam.

Culturally and culinarily, Long Island should belong to New England.Chapter 4

Strain refers to: