What is a chemical equation?
A) It is a shorthand notation for illustrating a chemical reaction.
B) It is the sum of the masses of the products and reactants.
C) It is the chemical combination of equal numbers of reactants and products.
D) It is a picture of the atoms undergoing a chemical equalization.
E) It is any type of reaction that takes place at the equator.
Answer: A
You might also like to view...
During the first 5 seconds after a ball is dropped from rest, how far will it fall?
A. 122.5 m B. 61.3 m C. 245 m D. 490 m E. 25 m
RLC Circuits: A series circuit has a 100-? resistor, a 0.100-?F capacitor, and a 2.00-mH inductor connected across a 120-V rms ac source operating at resonant frequency. What is the rms value of the voltage across the capacitor?
A. 54.0 V B. 120 V C. 150 V D. 533 V E. 170 V
A "fuzzy" dark or light patch in the sky is called a:
A) nebula. B) cloud. C) galaxy. D) comet. E) dust lane.
Absolute zero corresponds to a temperature of
A) 0 K. B) -273° C. C) both of these D) none of the above