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What is one difference between a mixture and a compound?
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
The atomic number of an element is the total number of which particles in the nucleus?
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
How man significan figures are in the measurement 40,500 mg
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
Which of the following represents a compound?
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
What is the boiling point of water in kelvins?
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
What must be done to be certain that a chemical change has taken place?
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
The diameter of a carbon atom is 0.000 000 000 154 m . What is the number in scientific notation?
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
What is the temperature of absoluted zero measured in C
A mixture must be uniform in composition
8
-273
1.54 x 10 - 12
H2O
373 K
demonstrate the release of heat
protons
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