before lab. IMPORTANT:If you try to access a Panopto video and it tells you that you do not have permission to view thevideo, rest assured that you do have permission and it is most likely a browser error.DO NOThit “RequestPermission” - here are some things you should try: ●Completely quit your browser (close all tabs and exit the program) Then, restart your browser and go to: Login using Blackboard, then go back to the course and try again. ●Clear your browser cookies and try again ●Safari is the most problematic browser. Try a different browser entirely - Chrome, Firefox, Edge ●Findyourbrowser’ssettingsforallowing3rdpartycookiesandsetthemtoallowed: ●If you are still having problems and have tried all of the above issues, then you should email Dr. Young. Practice problems:For each experiment, practice problems are available on Blackboard to help with thenumerical calculations in the homework and on the lab practicals.They are not graded(despite sometimesshowing up in your “My Grades” section, we do not include them in your final grade calculation).They includefeedback for how to do the calculations correctly. Chem21Labs:All pre-lab and post-lab assignments are completed onChem21Labs.com. You will be enrolledduring the first week of classes but will not need to use Chem21 until Week 2. The fee for this third-partyprogram is $15.00 for the semester. Instructions for using this program are available on Blackboard. Pleaseread this carefully. Regrade requests will not be accepted for student mistakes in data entry since you canchange the data in the program. In addition, no regrade requests will be accepted for rounding errors causedby entering values with a different number of digits in Chem21labs than in your calculator or spreadsheet. Pre-lab assignments typically have the same format. Question 1 is an ordering question that requires you toorder the steps of the experimental procedure. This question is worth 5 points and you will have 5 totalattempts. The 1st and 2nd attempts occur with no penalty but each subsequent attempt will be for a reducednumber of points. If you do not answer the question correctly on the 5th and final attempt, you will get 0. Theremaining questions are multiple choice questions and you will have two attempts. The first attempt is worth 1point, while the second is worth 0.5 points.