I have an 2-hours exam on tomorrow 10:30 am which is 14hours from now. And I will took pictures of exam, send it to you, you send the answer to me (answer ONLY, not explanation; if it is a calculation problem, please send me the work also) That means you need to finish it in […]
Your teacher has just asked you to measure out 2.25 moles of Sodium Bicarbonate. Sodium Bicarbonate has a Molecular Formula of NaHCO3. Using a Periodic Table, calculate the molecular mass of Sodium Bicarbonate to 2 decimal places. Then calculate the amount that will need to be measured out, in grams, to get your 2.25 moles […]
Chem KA#6 Acids, Bases & Salts Performance Task Task: Create a Magazine Article for Middle School kids (ages 11-14) to help explain compare and contrast acids, bases, and salts. Details: The National Science Foundation is developing a new magazine for Middle Schoolers. You have been given the task to create an interesting and informative article discussing […]
Unit IV Article Review For this assignment, you are required to read the article entitled “HazMat Emergencies: Decontamination and Victim Chain of Survival,” by Gunderson, Helikson, and Heffner (2014), and write a review. Your review must include the following: Summarize the key points presented in the article. Describe the […]
PostLab Instructions Procedure and Materials REDO: Write what you actually did and the equipment used. This may have changed from the prelab portion, since you worked with you Lab Mates.(for procedure, please do not copy form chemistry hand out) Observations: What did I observe?What did I find? This section contains any and all tables and graphs with […]
Unit V Assessment Question 1 1. Compounds oxidize when they lose hydrogen atoms. An example is the decomposition of methanol. What products are formed when methanol Question 2 1. When bleach and ammonia are mixed, one of the chemical reactions is 2NaOCl + 2NH3 → 2NaONH3 + Cl2. Which reactant undergoes […]
Need someone who is excellent in chemistry to complete two online quizzes. The quizzes are composed of word problems and sig figs. I need someone who knows what they are doing!! Low quiz grades are not acceptable. The first quiz consists of 6 multi-part questions and the second quiz consist of four.
YOU HAVE TO DO THIS ACTIVITY, MEANING YOU HAVE TO DRAW THE CIRCLES WITH THE OBJECTS AND DO THE EXPERIMENT. TAKE A PICTURE OF IT AND PUT IT IN THE TEMPLATE DOCUMENT. INSTRUCTIONS ARE PROVIDED. Excellent experts that provide TOP-NOTCH WORK ONLY!!! NO PLAGIARISM, NO EXCEPTIONS!!! I KNOW THERE ARE ANSWERS OUT THERE, BUT […]
Share with the class some common oxidizers that you might have in your home (e.g., under the counter, in the kitchen or bathroom, or out in the garage). Has your participation in this class made you decide to change your habits in storing or using any of these products? What have you done, or what […]
find a news article and write a short paper (400- 600 words) explaining the article subject using chemistry terms/concepts discussed and learned in this course. The complete article, or web address of the article, must be included within the submitted paper document file. Only Word formats (.doc or .docx) are acceptable!
