What kind of change always results in the formation of new materials?
A) molecular
B) exothermic
C) endothermic
D) physical
E) chemical
Correct Answer:
Verified
Q67: Which of the following is a chemical
Q68: What Celsius temperature corresponds to -4.6°F?
A)-20°C
B)-20.3°C
C)-23.0°C
D)-10.9°C
E)-68.4°C
Q69: Which temperature scale does not use a
Q70: The speed of light is 186,000 miles
Q71: Select the answer that best expresses the
Q73: What is the appropriate number of significant
Q74: The distance between two hydrogen atoms in
Q75: What Fahrenheit temperature corresponds to -40.0°C?
A)-8°F
B)16.8°F
C)-36.9°F
D)-40.0°F
E)-1.94°F
Q76: What is the specific gravity of an
Q77: 1 centimeter equals how many millimeters?
A)10-6
B)10-3
C)10
D)104
E)106
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