Exam3 - Exam #1 100 points total 1. Indicate whether the...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam #1 100 points total 1. Indicate whether the following are most likely a pure substance, a homogenous mixture or a heterogenous mixture (5 points) a. Potting soil b. Non-iodized table salt c. A paperclip d. Gatoraid e. The gold in Fort Knox 2. Indicate whether the following represent physical or chemical changes (5 points) a. Toasting a bagel until it is nice and brown b. Melting butter on a hot bagel c. Burning gasoline in your car engine d. Recycling glass e. Making wine 3. In the following diagram, the particles from a cathode ray tube are coming directly towards you. In which direction would you expect the particles to be deflected in response to the magnetic field? ( write the appropriate letter ). (5 points) 4. For the following elements, write down the most likely ionic form (5 points) a. Br b. Al c. Se d. K e. Ca 5. Write the balanced chemical equation for the combustion of hexanol (C 6 H 14 O) (5 points)
Background image of page 1

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

View Full DocumentRight Arrow Icon
6. Magnesium can burn in air to produce Magnesium oxide. Write the balanced chemical equation for this reaction and predict two other elements which
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/02/2012 for the course CHM CHM1045 taught by Professor Hectorrodriguez during the Winter '11 term at Broward College.

Page1 / 4

Exam3 - Exam #1 100 points total 1. Indicate whether the...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online