105 CHE115 Now that you have all the components you need to solve the puzzle, LET'S...
107 CHE115 Name s page out of your laboratory manual and submit it to your TA with your answers. B. Post-Lab Assessment Questions: (20 pts) 1. (5 pts) How could yo poratroy could you as a class sele on one value to report to the Bayer Corporation? (8 pts) Calculate the percentage (by mass) of sodium in sodium bicarbonate. You must show your calculations to receive credit for this question. 2. (7 pts) Based on the results you obtained in...
i need help with number 6 A. Record and Organize: (68 pts) WEEK 1. 1. Add an entry to the Title Page for this lab report and its page numbers. 2. (2 pts) On the next available blank page in your laboratory notebook write down the date and title of the experiment. 3. (4 pts) Carefully observe your reactant and record your observations. 4. (4 pts) Weigh your reactants and record this data in your laboratory notebook. 5. Read the...
Below is a lab hand out for the questions. All my data for the questions are filled out below in BOLD LETTERING. All the questions I need answered are at the bottom with boxes where to put the answers. Background Alka-Seltzer� is an over-the-counter antacid and pain relief drug. The tablet contains aspirin (acetylsalicylic acid), citric acid, and sodium bicarbonate (NaHCO3). Sodium bicarbonate (NaHCO3) is responsible for the effervescent action of Alka-Seltzer. In this lab we will investigate the reaction...
CHE115 Tear this page out of your laboratory manual Name: our laboratory manual and submit it to your TA with your answers Zinc reacts with lodine in the fixed mass ratio of 1 gram of zinc to ne, how many grams of iodine are required to completely react with B. Post-Lab Assessment Questions: (32 pts) 1. (4 pts) Given that zinc reacts with i 3.88 grams of iodine, how many grams of 4.2 grams of zinc? You must show your...
1. Most of the class will be brominating trans-stilbene (part B) and the rest cis-stilbene (part A). For this assignment write a detailed procedure in your lab notebook for Part B. Upload a picture/scanned copy (5 pts). Tip: If you write the procedure down the left half of the page, you can leave space to record your measurements/observations down the right side of the page. If you end up using cis-stilbene in the experimental there will only be a few...
need help with java In this program you will use a Stack to implement backtracking to solve Sudoku puzzles. Part I. Implement the stack class. Created a generic, singly-linked implementation of a Stack with a topPtr as the only instance variable. Implement the following methods only: public MyStack() //the constructor should simply set the topPtr to null public void push(E e) public E pop() Test your class thoroughly before using it within the soduku program Part II. Create...
This is all of the information I have: Now that you have reviewed information about Cover 2 Cover, you are ready to begin the first step in the accounting cycle, recording transactions. On this page of the practice set, you are asked to record transactions that occurred during the first week of June into the company's journals and post the appropriate entries to the ledger accounts. The following transactions occurred throughout the first week of June: Week 1 Date Transaction...
This is all of the information I have: Now that you have reviewed information about Cover 2 Cover, you are ready to begin the first step in the accounting cycle, recording transactions. On this page of the practice set, you are asked to record transactions that occurred during the first week of June into the company's journals and post the appropriate entries to the ledger accounts. The following transactions occurred throughout the first week of June: Week 1 Date Transaction...
Provided all the informations to answer questions 11,12 a,b,c Please I'm struggling what to write need help on these questions!! Part B: Quantitatitve Analysis of the Dissolution of Anhydrous Magnesiu 6 Using weighing paper as shown, weigh out a 3-8 gram sample of magnesium sulfate on the analytica Record the exact mass to the 0.0001g Using a 7 Suspend a 0.1°C thermometer into a polystyrene cup so that it is about ½ inch from the bottom recording volumetric pipet, add...
Experiment 1: Neutralization of Acids and Bases In this experiment, you will learn how to properly neutralize and dispose of acidic and base solutions. Remember, when a solution has a pH of 7, it is considered neutralized. Experiment 1: Neutralization of Acids and Bases In this experiment, you will learn how to properly neutralize and dispose of acidic and base solutions. Remember, when a solution has a pH of 7, it is considered neutralized. Materials 5 mL 4.5% Acetic Acid...