Homework Help: Chemistry

Posted by mysterychicken on Saturday, October 30, 2010 at 12:23pm.

5. The products are the materials used in the reaction.- T?

28. Alloys are
a. elements
b. compounds
c. mixtures
A

30. An example of a colloid solution is
a. salt water
b. dirt mixed with water
c. smog
C

31. Gases dissolve better
a. when pressure is increased
b. when temperature is decreased
c. both
A?

38. Alpha rays are really
a. electrons
b. helium nuclei
c. electromagnetic waves
C?

40. A nuclear reactor uses
a. controlled fission
b. uncontrolled fission
c. fusion
Not really sure, but I'll go with B?

Thanks
-MC

Chemistry - DrBob222, Saturday, October 30, 2010 at 2:18pm
You really need to restudy this entire set of notes. Smog is a colloid. The others are wrong, some grossly so. For example, the first one: Products are what one produces, right?

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