HW1answers pg3 - 014(part 1 of 1 10 points What is the...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
011 (part 1 of 1) 10 points Water is an example of 1. None of these 2. a compound. correct 3. an element. 4. a homogeneous mixture. 5. a heterogeneous mixture. Explanation: The two hydrogen atoms and one oxygen atom making water exemplifies two or more atoms bonded together to make a molecule. 012 (part 1 of 1) 10 points Which of the following substances is NOT an element? 1. gold 2. mercury 3. carbon monoxide correct 4. arsenic Explanation: Carbonmonoxide(CO)isnotanelement; it is a compound. It is made up of two elements. 013 (part 1 of 1) 10 points What is the element symbolized by Si? 1. silicon correct 2. sodium 3. silver 4. sulfur Explanation: The symbol for silicon is Si.
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 014 (part 1 of 1) 10 points What is the symbol for the element lead? 1. Ld 2. Le 3. La 4. Pb correct Explanation: The symbol for lead is Pb. 015 (part 1 of 1) 10 points The measurement 3 . 2 × 10-3 g could also be written as 1. 3.2 mg. correct 2. 3.2 kg. 3. 3.2 pg. 4. 3.2 g. 5. None of these Explanation: mg refers to 10-3 . 016 (part 1 of 1) 10 points A pipe drips at 155 mL/min. Express this is units of gallons/day. 1. 2.34 gal/day 2. 0.223 gal/day 3. 15.7 gal/day 4. 223 gal/day 5. 58.9 gal/day correct 6. 377 gal/day 7. 942 gal/day Explanation:...
View Full 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