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The degree of polarity of a covalent bond between two atoms is determined by calculating the difference in their
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
Table sugar can be separated from a mixture of table sugar and sand at STP by adding
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
Which substance can not be broken down by a chemical change?
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
At STP, which property of a molecular substance is determined by the arrangement of its molecules?
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
Equilibrium can be reached by
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
Which statement describes the components of a mixture?
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
Based on Table I, which compound dissolves in water by an exothermic process?
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
During which two processes does a substance release energy?
The proportions of components can vary.
electronegativities
water, stirring, and filtering
freezing and condensation
magnesium
physical state
NaOH
both physical changes and chemical changes
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