Physics, 15.12.2020 01:30 obrunelle4678
2. Classify the following as being a physical (P) or chemical (C) change.
A. Sodium hydroxide dissolves in water.
B. Hydrochloric acid reacts with potassium hydroxide to produce a salt, water, and heat.
C. A pellet of sodium is sliced in two.
D. Water is heated and changed to steam.
E. Potassium chlorate decomposes to potassium chloride and oxygen gas.
F. Iron rusts.
G. When place in water, a sodium pellet catches on fire as hydrogen gas is liberated.
H. Evaporation of alcohol.
I. Ice melting.
J. Milk sours.
K. Sugar dissolves in water.
L. Wood rots.
M. Pancakes cooking on a griddle.
N. Grass growing in a lawn.
O. A tire is inflated with air.
P. Food is digested in the stomach.
Q. Water is absorbed by a paper towel.
R. Grinding coffee beans
S. Shredding up your homework (please DO NOT do this)
T. Baking chocolate chip cookies
Answers: 1
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In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
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2. Classify the following as being a physical (P) or chemical (C) change.
A. Sodium hydroxide disso...
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