If 100.0 mL of a 0.5 M aqueous solution of HCl is diluted to a final volume of 500.0 mL, what is the concentration of the diluted solution?  Work out the problem on a separate piece of paper and upload a photo of your response at the end of the test. Please mark the number of the problem clearly and show your work. Enter the concentration in the box below.   Answer ________ M

Name the following compounds: Fe2O3 FeCl2 Na2S Al2O3   Name of A: [iron3oxide]     Name of B: [iron2chloride] Name of C: [Sodiumsulfide]     Name of D: [aluminumOxide]        

Complete the following reactions by choosing the right reagent from the provided list. What is E? Your answer should be a number from 1 to 14  

Put the following in order of decreasing metallic character.  Ge, Pb, Rb, Cs, Ni, Ca  

I understand that I will be required to complete a 360-degree room scan prior to taking any exams and that the room scan needs to show my entire testing environment, including the desk or table. 

Choose the right option for Step 1

Give the following details about HBr total number of electrons: [electrons] name: [name] number of sigma bonds: [sigma] number of pi bonds: [pi]

The following graph shows the progression of a reaction between molecular hydrogen (H2) and molecular (I2) to produce hydrogen iodide (HI). Referencing the graph, answer the next seven questions.   See the description for details “This image depicts a graph showing the progression of a chemical reaction between molecular hydrogen (H2) and molecular iodine (I2) to form hydrogen iodide (HI). The red line represents the concentration of H2(reactant). The black line represents the concentration of I2 (reactant). The red dashed line represents the concentration of HI (product).The vertical line marked “”A”” is used as a reference for further questions regarding the concentration progression over time.”

H2S molecular shape: [shape] hybridization of the central atom [hybridization] common name or IUPAC name: [name] number of sigma bonds: [sigma] number of pi bonds: [pi]

There are three types of molecular motion that gas molecules possess. Which of the following types of molecular motion do gas molecules possess but liquids and solids do not?