{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

practiceexam10 - City College Chemistry Department...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
City College, Chemistry Department Chemistry 10301, sections T and T2, Prof. T. Lazaridis Second Midterm exam, Nov. 3, 2005 Name (last name first): ___________________________________ I.D. Number: ____________________________________________ Workshop leader:________________________________________ Note: There are 7 questions in this exam (check both sides of the sheet). Fill in your answer in the blank space provided immediately following each question. 1/2 point will be subtracted every time you report a numerical result with an incorrect number of significant figures. The last sheet of this exam contains information that may or may not be needed to answer these questions. 1. (20) a. (5) What will you obtain by adding MgSO 4 to water? (Use information provide on your data sheet) Solution Heterogeneous Mixture b. (5) Will a lead pipe dissolve in a solution of silver nitrate and why ? Yes, because Pb is higher in the activity series that Ag c. (5) How many ml of 2.0 M HCl are required to make 500 ml of 0.50 M HCl ? V D M D = V C M C => V C = V D M D / M C = 500 ml * 0.50 M/ 2.0 M = 125 ml d. (5) 50 L of a gas at 5 atm pressure expands at constant temperature until the pressure becomes equal to atmospheric. What will be
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern