Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Kinetics
Test Description: Trial
Instructions: Answer all questions to get your test result.
1) Which step below is rate-determining for a reaction with the following rate law: Rate = k|A|^2 |B|
A
Step 2: F + A -- C + G
B
Step 3: G + A = C + D
C
Step 1: A + B = F
2) If I add vinegar to baking soda, a chemical reaction takes place and carbon dioxide is produced. Which of the following will increase the speed of the chemical reaction?
A
increase the temperature of the vinegar
B
decrease the surface area of the baking soda
C
decrease the concentration of the vinegar
D
use an inhibitor
3) The following chemical equation represents the decomposition of ammonia. 2NH3 -- 3H2 + N2 Which of the following is true in all chemical reactions that result in decomposition?
A
The mass of the products is less than the mass of the reactants.
B
The mass of the products is equal to the mass of the reactants.
C
The mass of the products is greater than the mass of the reactants.
D
The mass of the products is not related to the mass of the reactants.
4) David watches a burning candle to determine whether a chemical reaction is taking place. Which of these observations shows evidence of a chemical reaction?
A
The candle gives off light and heat.
B
The color of the candle is blue.
C
The candle is in a glass jar.
D
The wax is melting.
5) Roger combines vinegar with baking soda to demonstrate a chemical reaction. What should he be looking for to determine that a chemical reaction has occured?
A
a solid turning to a liquid
B
formation of bubbles
C
a reduction in total mass
D
the disappearance of atoms
6) in a chemical reaction, if more energy is required to make the chemical bonds than to break them apart, the reaction is endothermic, so we see a
A
increase in temperature
B
no change in temperature
C
huh?
D
decrease in temperature
7) A chemical reaction that releases is heat is what type of chemical reaction?
A
endothermic reaction
B
exothermic reaction
8) A solid sample of a compound and a liquid sample of the same compound are each tested for electrical conductivity. Which test conclusion indicates that the compound is ionic?
A
The solid is a poor conductor, and the liquid is a good conductor.
B
Both the solid and the liquid are good conductors.
C
Both the solid and the liquid are poor conductors.
D
The solid is a good conductor, and the liquid is a poor conductor.
9) The empirical formula of a substance is CH2O. Its molar mass is 180. What is the molecular formula?
A
C8H16O8
B
C6H12O6
C
C4H8O4
D
C2H4O2
10) What is the molecular geometry of H2S?
A
bent
B
tetrahedral
C
trigonal pyramidal
D
T-shaped
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?