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Based on Table I, which compound dissolves in water by an exothermic process?
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
Which statement describes the components of a mixture?
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
Table sugar can be separated from a mixture of table sugar and sand at STP by adding
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
During all chemical reactions, charge, mass and energy are
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
Equilibrium can be reached by
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
At STP, which property of a molecular substance is determined by the arrangement of its molecules?
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
Which substance can not be broken down by a chemical change?
physical state
both physical changes and chemical changes
conserved
magnesium
NaOH
The proportions of components can vary.
water, stirring, and filtering
The volume of the particles is considered negligible.
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