Category: Chemistry

Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. If 21.1g of carbon dioxide is produced from the reaction of 27.57g of hexane and 179.0g of oxygen gas, calculate the percent yield of carbon dioxide. Round your answer to 3 significant figures.

Please read the following file to write the Results and Discussion section. If you would like to see all sections of formal report, please refer to the following file: An example of formal report can be found below: Formal Lab Report: Result & Discussion (1)Formal Lab Report: Result & Discussion (1)CriteriaRatingsPtsResult statement view longer description/ […]

A chemistry student in lab needs to fill a temperature-control tank with water. The tank measures 21.0 long by 21.0cm wide by 14.0cm deep.In addition, as shown in the sketch below, the student needs to allow 2.0cm between the top of the tank and the top of the water, and a round-bottom flask with a […]

Below is a list of solutions, select ONE and discuss the composition of the solution compared to the pure substances that combine to make that solution. Saline solution for contact lenses Air Sugar water Steel Alloy Milk Gasoline Saltwater Pancake syrup Natural gas Saline drip for dehydrated patients NOTE: It is required that each student […]

Learning Goal: I’m working on a chemistry discussion question and need the explanation and answer to help me learn. Abundant evidence of consistency and individual work. Uses Manual and resources posted on the courses Canvas. All questions are addressed, and responses are given in a clear, complete manner that reveals the reasoning process (DESCRIBE or […]

Learning Goal: I’m working on a chemistry question and need the explanation and answer to help me learn. Abundant evidence of consistency and individual work. Uses Manual and resources posted on the courses Canvas. All questions are addressed, and responses are given in a clear, complete manner that reveals the reasoning process (DESCRIBE or EXPLAIN). […]

Learning Goal: I’m working on a chemistry multi-part question and need the explanation and answer to help me learn. I’m working on a chemistry multi-part question and need the explanation and answer to help me learn. Hello I have completed part 1 which you will see and need you to complete part 2 which are […]

Learning Goal: I’m working on a chemistry project and need the explanation and answer to help me learn. NEC Graded Project Project Details As you’ve learned, the National Electrical Code (NEC) is a reference manual that outlines requirements for the installation of electrical equipment. The NEC is published by the National Fire Protection Association (NFPA) […]

  Preparation PowerPoint Preparation In this assignment, you are asked to create a PowerPoint presentation that includes speaker notes. If you need information on creating effective PowerPoint slides, you can review the following: . [Video]. Research Preparation As you research labor supply and the demand and supply of health insurance for your presentation, you may […]